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Finding the Fourth Proportional to 506,270.46, 759,406.43 and 206,751.04

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Solution

The fourth proportional to 506,270.46, 759,406.43 and 206,751.04 is: 310,126.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    506,270.46 : 759,406.43 = 206,751.04 : x
  2. Step 2: Convert to fraction form
    506,270.46/759,406.43 = 206,751.04/x
  3. Step 3: Cross multiply
    506,270.46x = 759,406.43 × 206,751.04
  4. Step 4: Simplify right side
    506,270.46x = 157,008,069,185.19
  5. Step 5: Solve for x
    x = 157,008,069,185.19/506,270.46
  6. Step 6: Final answer
    x = 310,126.86

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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.