Home / 487,060.32-672,141-272,200.26

Finding the Fourth Proportional to 487,060.32, 672,141 and 272,200.26

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Solution

The fourth proportional to 487,060.32, 672,141 and 272,200.26 is: 375,635.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,060.32 : 672,141 = 272,200.26 : x
  2. Step 2: Convert to fraction form
    487,060.32/672,141 = 272,200.26/x
  3. Step 3: Cross multiply
    487,060.32x = 672,141 × 272,200.26
  4. Step 4: Simplify right side
    487,060.32x = 182,956,954,956.66
  5. Step 5: Solve for x
    x = 182,956,954,956.66/487,060.32
  6. Step 6: Final answer
    x = 375,635.11

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1.5x scale

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.