Home / 252,490.57-348,444.27-139,320.61

Finding the Fourth Proportional to 252,490.57, 348,444.27 and 139,320.61

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Solution

The fourth proportional to 252,490.57, 348,444.27 and 139,320.61 is: 192,266.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,490.57 : 348,444.27 = 139,320.61 : x
  2. Step 2: Convert to fraction form
    252,490.57/348,444.27 = 139,320.61/x
  3. Step 3: Cross multiply
    252,490.57x = 348,444.27 × 139,320.61
  4. Step 4: Simplify right side
    252,490.57x = 48,545,468,247.40
  5. Step 5: Solve for x
    x = 48,545,468,247.40/252,490.57
  6. Step 6: Final answer
    x = 192,266.46

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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.