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Finding the Fourth Proportional to 288,003.80, 432,005.70 and 182,941.40

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Solution

The fourth proportional to 288,003.80, 432,005.70 and 182,941.40 is: 274,412.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,003.80 : 432,005.70 = 182,941.40 : x
  2. Step 2: Convert to fraction form
    288,003.80/432,005.70 = 182,941.40/x
  3. Step 3: Cross multiply
    288,003.80x = 432,005.70 × 182,941.40
  4. Step 4: Simplify right side
    288,003.80x = 79,031,727,565.98
  5. Step 5: Solve for x
    x = 79,031,727,565.98/288,003.80
  6. Step 6: Final answer
    x = 274,412.10

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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.