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Finding the Fourth Proportional to 471,753.75, 651,013.72 and 267,802.89

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Solution

The fourth proportional to 471,753.75, 651,013.72 and 267,802.89 is: 369,564.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    471,753.75 : 651,013.72 = 267,802.89 : x
  2. Step 2: Convert to fraction form
    471,753.75/651,013.72 = 267,802.89/x
  3. Step 3: Cross multiply
    471,753.75x = 651,013.72 × 267,802.89
  4. Step 4: Simplify right side
    471,753.75x = 174,343,355,645.65
  5. Step 5: Solve for x
    x = 174,343,355,645.65/471,753.75
  6. Step 6: Final answer
    x = 369,564.32

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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.