Home / 292,491.15-438,763.50-82,127.67

Finding the Fourth Proportional to 292,491.15, 438,763.50 and 82,127.67

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Solution

The fourth proportional to 292,491.15, 438,763.50 and 82,127.67 is: 123,199.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,491.15 : 438,763.50 = 82,127.67 : x
  2. Step 2: Convert to fraction form
    292,491.15/438,763.50 = 82,127.67/x
  3. Step 3: Cross multiply
    292,491.15x = 438,763.50 × 82,127.67
  4. Step 4: Simplify right side
    292,491.15x = 36,034,625,340.93
  5. Step 5: Solve for x
    x = 36,034,625,340.93/292,491.15
  6. Step 6: Final answer
    x = 123,199.03

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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.