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Finding the Fourth Proportional to 302,456.70, 453,555.45 and 124,904.70

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Solution

The fourth proportional to 302,456.70, 453,555.45 and 124,904.70 is: 187,303.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,456.70 : 453,555.45 = 124,904.70 : x
  2. Step 2: Convert to fraction form
    302,456.70/453,555.45 = 124,904.70/x
  3. Step 3: Cross multiply
    302,456.70x = 453,555.45 × 124,904.70
  4. Step 4: Simplify right side
    302,456.70x = 56,651,207,415.62
  5. Step 5: Solve for x
    x = 56,651,207,415.62/302,456.70
  6. Step 6: Final answer
    x = 187,303.53

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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.