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Finding the Fourth Proportional to 431,838.56, 595,938.12 and 240,847.04

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Solution

The fourth proportional to 431,838.56, 595,938.12 and 240,847.04 is: 332,369.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,838.56 : 595,938.12 = 240,847.04 : x
  2. Step 2: Convert to fraction form
    431,838.56/595,938.12 = 240,847.04/x
  3. Step 3: Cross multiply
    431,838.56x = 595,938.12 × 240,847.04
  4. Step 4: Simplify right side
    431,838.56x = 143,529,932,225.17
  5. Step 5: Solve for x
    x = 143,529,932,225.17/431,838.56
  6. Step 6: Final answer
    x = 332,369.42

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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.