Home / 371,330.15-556,035.96-256,279.66

Finding the Fourth Proportional to 371,330.15, 556,035.96 and 256,279.66

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Solution

The fourth proportional to 371,330.15, 556,035.96 and 256,279.66 is: 383,757.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,330.15 : 556,035.96 = 256,279.66 : x
  2. Step 2: Convert to fraction form
    371,330.15/556,035.96 = 256,279.66/x
  3. Step 3: Cross multiply
    371,330.15x = 556,035.96 × 256,279.66
  4. Step 4: Simplify right side
    371,330.15x = 142,500,706,776.57
  5. Step 5: Solve for x
    x = 142,500,706,776.57/371,330.15
  6. Step 6: Final answer
    x = 383,757.44

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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.