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Finding the Fourth Proportional to 247,246.07, 370,772.06 and 87,287.87

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Solution

The fourth proportional to 247,246.07, 370,772.06 and 87,287.87 is: 130,897.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,246.07 : 370,772.06 = 87,287.87 : x
  2. Step 2: Convert to fraction form
    247,246.07/370,772.06 = 87,287.87/x
  3. Step 3: Cross multiply
    247,246.07x = 370,772.06 × 87,287.87
  4. Step 4: Simplify right side
    247,246.07x = 32,363,903,089.33
  5. Step 5: Solve for x
    x = 32,363,903,089.33/247,246.07
  6. Step 6: Final answer
    x = 130,897.54

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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.