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Finding the Fourth Proportional to 247,631.91, 341,762.25 and 145,652.50

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Solution

The fourth proportional to 247,631.91, 341,762.25 and 145,652.50 is: 201,018.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,631.91 : 341,762.25 = 145,652.50 : x
  2. Step 2: Convert to fraction form
    247,631.91/341,762.25 = 145,652.50/x
  3. Step 3: Cross multiply
    247,631.91x = 341,762.25 × 145,652.50
  4. Step 4: Simplify right side
    247,631.91x = 49,778,526,118.13
  5. Step 5: Solve for x
    x = 49,778,526,118.13/247,631.91
  6. Step 6: Final answer
    x = 201,018.22

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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.