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Finding the Fourth Proportional to 510,470.64, 765,741.12 and 173,373.72

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Solution

The fourth proportional to 510,470.64, 765,741.12 and 173,373.72 is: 260,072.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,470.64 : 765,741.12 = 173,373.72 : x
  2. Step 2: Convert to fraction form
    510,470.64/765,741.12 = 173,373.72/x
  3. Step 3: Cross multiply
    510,470.64x = 765,741.12 × 173,373.72
  4. Step 4: Simplify right side
    510,470.64x = 132,759,386,531.37
  5. Step 5: Solve for x
    x = 132,759,386,531.37/510,470.64
  6. Step 6: Final answer
    x = 260,072.52

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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.