Home / 251,024.80-375,915.12-139,983.52

Finding the Fourth Proportional to 251,024.80, 375,915.12 and 139,983.52

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Solution

The fourth proportional to 251,024.80, 375,915.12 and 139,983.52 is: 209,628.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,024.80 : 375,915.12 = 139,983.52 : x
  2. Step 2: Convert to fraction form
    251,024.80/375,915.12 = 139,983.52/x
  3. Step 3: Cross multiply
    251,024.80x = 375,915.12 × 139,983.52
  4. Step 4: Simplify right side
    251,024.80x = 52,621,921,718.82
  5. Step 5: Solve for x
    x = 52,621,921,718.82/251,024.80
  6. Step 6: Final answer
    x = 209,628.38

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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.