Home / 486,984.10-672,025.15-272,125.93

Finding the Fourth Proportional to 486,984.10, 672,025.15 and 272,125.93

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Solution

The fourth proportional to 486,984.10, 672,025.15 and 272,125.93 is: 375,526.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,984.10 : 672,025.15 = 272,125.93 : x
  2. Step 2: Convert to fraction form
    486,984.10/672,025.15 = 272,125.93/x
  3. Step 3: Cross multiply
    486,984.10x = 672,025.15 × 272,125.93
  4. Step 4: Simplify right side
    486,984.10x = 182,875,468,927.14
  5. Step 5: Solve for x
    x = 182,875,468,927.14/486,984.10
  6. Step 6: Final answer
    x = 375,526.57

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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.