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Finding the Fourth Proportional to 432,008.43, 596,185.95 and 235,785.63

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Solution

The fourth proportional to 432,008.43, 596,185.95 and 235,785.63 is: 325,391.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,008.43 : 596,185.95 = 235,785.63 : x
  2. Step 2: Convert to fraction form
    432,008.43/596,185.95 = 235,785.63/x
  3. Step 3: Cross multiply
    432,008.43x = 596,185.95 × 235,785.63
  4. Step 4: Simplify right side
    432,008.43x = 140,572,079,817.90
  5. Step 5: Solve for x
    x = 140,572,079,817.90/432,008.43
  6. Step 6: Final answer
    x = 325,391.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.