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Finding the Fourth Proportional to 564,999.48, 847,500.60 and 138,537.18

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Solution

The fourth proportional to 564,999.48, 847,500.60 and 138,537.18 is: 207,806.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    564,999.48 : 847,500.60 = 138,537.18 : x
  2. Step 2: Convert to fraction form
    564,999.48/847,500.60 = 138,537.18/x
  3. Step 3: Cross multiply
    564,999.48x = 847,500.60 × 138,537.18
  4. Step 4: Simplify right side
    564,999.48x = 117,410,343,172.31
  5. Step 5: Solve for x
    x = 117,410,343,172.31/564,999.48
  6. Step 6: Final answer
    x = 207,806.11

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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.