Home / 282,261.86-423,389.11-69,031.62

Finding the Fourth Proportional to 282,261.86, 423,389.11 and 69,031.62

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Solution

The fourth proportional to 282,261.86, 423,389.11 and 69,031.62 is: 103,546.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,261.86 : 423,389.11 = 69,031.62 : x
  2. Step 2: Convert to fraction form
    282,261.86/423,389.11 = 69,031.62/x
  3. Step 3: Cross multiply
    282,261.86x = 423,389.11 × 69,031.62
  4. Step 4: Simplify right side
    282,261.86x = 29,227,236,153.66
  5. Step 5: Solve for x
    x = 29,227,236,153.66/282,261.86
  6. Step 6: Final answer
    x = 103,546.53

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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.