Home / 372,102.76-558,435.03-272,521.13

Finding the Fourth Proportional to 372,102.76, 558,435.03 and 272,521.13

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Solution

The fourth proportional to 372,102.76, 558,435.03 and 272,521.13 is: 408,987.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,102.76 : 558,435.03 = 272,521.13 : x
  2. Step 2: Convert to fraction form
    372,102.76/558,435.03 = 272,521.13/x
  3. Step 3: Cross multiply
    372,102.76x = 558,435.03 × 272,521.13
  4. Step 4: Simplify right side
    372,102.76x = 152,185,345,407.18
  5. Step 5: Solve for x
    x = 152,185,345,407.18/372,102.76
  6. Step 6: Final answer
    x = 408,987.41

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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.