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Finding the Fourth Proportional to 247,830.53, 342,001.91 and 134,652.47

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Solution

The fourth proportional to 247,830.53, 342,001.91 and 134,652.47 is: 185,818.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,830.53 : 342,001.91 = 134,652.47 : x
  2. Step 2: Convert to fraction form
    247,830.53/342,001.91 = 134,652.47/x
  3. Step 3: Cross multiply
    247,830.53x = 342,001.91 × 134,652.47
  4. Step 4: Simplify right side
    247,830.53x = 46,051,400,552.84
  5. Step 5: Solve for x
    x = 46,051,400,552.84/247,830.53
  6. Step 6: Final answer
    x = 185,818.11

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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.