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Finding the Fourth Proportional to 402,500.07, 555,463.47 and 236,898.02

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Solution

The fourth proportional to 402,500.07, 555,463.47 and 236,898.02 is: 326,927.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,500.07 : 555,463.47 = 236,898.02 : x
  2. Step 2: Convert to fraction form
    402,500.07/555,463.47 = 236,898.02/x
  3. Step 3: Cross multiply
    402,500.07x = 555,463.47 × 236,898.02
  4. Step 4: Simplify right side
    402,500.07x = 131,588,194,259.42
  5. Step 5: Solve for x
    x = 131,588,194,259.42/402,500.07
  6. Step 6: Final answer
    x = 326,927.14

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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.