Home / 247,955.04-371,919.24-145,429.44

Finding the Fourth Proportional to 247,955.04, 371,919.24 and 145,429.44

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Solution

The fourth proportional to 247,955.04, 371,919.24 and 145,429.44 is: 218,136.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,955.04 : 371,919.24 = 145,429.44 : x
  2. Step 2: Convert to fraction form
    247,955.04/371,919.24 = 145,429.44/x
  3. Step 3: Cross multiply
    247,955.04x = 371,919.24 × 145,429.44
  4. Step 4: Simplify right side
    247,955.04x = 54,088,006,798.43
  5. Step 5: Solve for x
    x = 54,088,006,798.43/247,955.04
  6. Step 6: Final answer
    x = 218,136.35

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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.