Home / 247,292.28-370,931.46-78,822.70

Finding the Fourth Proportional to 247,292.28, 370,931.46 and 78,822.70

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Solution

The fourth proportional to 247,292.28, 370,931.46 and 78,822.70 is: 118,231.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,292.28 : 370,931.46 = 78,822.70 : x
  2. Step 2: Convert to fraction form
    247,292.28/370,931.46 = 78,822.70/x
  3. Step 3: Cross multiply
    247,292.28x = 370,931.46 × 78,822.70
  4. Step 4: Simplify right side
    247,292.28x = 29,237,819,192.14
  5. Step 5: Solve for x
    x = 29,237,819,192.14/247,292.28
  6. Step 6: Final answer
    x = 118,231.83

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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.