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Finding the Fourth Proportional to 247,776.47, 341,902.52 and 145,779.50

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Solution

The fourth proportional to 247,776.47, 341,902.52 and 145,779.50 is: 201,158.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,776.47 : 341,902.52 = 145,779.50 : x
  2. Step 2: Convert to fraction form
    247,776.47/341,902.52 = 145,779.50/x
  3. Step 3: Cross multiply
    247,776.47x = 341,902.52 × 145,779.50
  4. Step 4: Simplify right side
    247,776.47x = 49,842,377,163.67
  5. Step 5: Solve for x
    x = 49,842,377,163.67/247,776.47
  6. Step 6: Final answer
    x = 201,158.64

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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.