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Finding the Fourth Proportional to 442,304.85, 610,377.53 and 251,318.26

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Solution

The fourth proportional to 442,304.85, 610,377.53 and 251,318.26 is: 346,817.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,304.85 : 610,377.53 = 251,318.26 : x
  2. Step 2: Convert to fraction form
    442,304.85/610,377.53 = 251,318.26/x
  3. Step 3: Cross multiply
    442,304.85x = 610,377.53 × 251,318.26
  4. Step 4: Simplify right side
    442,304.85x = 153,399,018,289.08
  5. Step 5: Solve for x
    x = 153,399,018,289.08/442,304.85
  6. Step 6: Final answer
    x = 346,817.40

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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.