Home / 291,660.17-437,647.10-281,044.22

Finding the Fourth Proportional to 291,660.17, 437,647.10 and 281,044.22

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Solution

The fourth proportional to 291,660.17, 437,647.10 and 281,044.22 is: 421,717.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,660.17 : 437,647.10 = 281,044.22 : x
  2. Step 2: Convert to fraction form
    291,660.17/437,647.10 = 281,044.22/x
  3. Step 3: Cross multiply
    291,660.17x = 437,647.10 × 281,044.22
  4. Step 4: Simplify right side
    291,660.17x = 122,998,187,543.66
  5. Step 5: Solve for x
    x = 122,998,187,543.66/291,660.17
  6. Step 6: Final answer
    x = 421,717.47

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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.