Home / 311,985.27-467,941.76-87,363.66

Finding the Fourth Proportional to 311,985.27, 467,941.76 and 87,363.66

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Solution

The fourth proportional to 311,985.27, 467,941.76 and 87,363.66 is: 131,035.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,985.27 : 467,941.76 = 87,363.66 : x
  2. Step 2: Convert to fraction form
    311,985.27/467,941.76 = 87,363.66/x
  3. Step 3: Cross multiply
    311,985.27x = 467,941.76 × 87,363.66
  4. Step 4: Simplify right side
    311,985.27x = 40,881,106,466.02
  5. Step 5: Solve for x
    x = 40,881,106,466.02/311,985.27
  6. Step 6: Final answer
    x = 131,035.37

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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.