Home / 486,984.36-672,025.50-272,126.18

Finding the Fourth Proportional to 486,984.36, 672,025.50 and 272,126.18

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Solution

The fourth proportional to 486,984.36, 672,025.50 and 272,126.18 is: 375,526.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,984.36 : 672,025.50 = 272,126.18 : x
  2. Step 2: Convert to fraction form
    486,984.36/672,025.50 = 272,126.18/x
  3. Step 3: Cross multiply
    486,984.36x = 672,025.50 × 272,126.18
  4. Step 4: Simplify right side
    486,984.36x = 182,875,732,177.59
  5. Step 5: Solve for x
    x = 182,875,732,177.59/486,984.36
  6. Step 6: Final answer
    x = 375,526.91

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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.