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Finding the Fourth Proportional to 448,001.70, 672,002.55 and 152,513.70

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Solution

The fourth proportional to 448,001.70, 672,002.55 and 152,513.70 is: 228,770.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,001.70 : 672,002.55 = 152,513.70 : x
  2. Step 2: Convert to fraction form
    448,001.70/672,002.55 = 152,513.70/x
  3. Step 3: Cross multiply
    448,001.70x = 672,002.55 × 152,513.70
  4. Step 4: Simplify right side
    448,001.70x = 102,489,595,309.94
  5. Step 5: Solve for x
    x = 102,489,595,309.94/448,001.70
  6. Step 6: Final answer
    x = 228,770.55

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.