Home / 371,221.20-556,977.60-146,543.40

Finding the Fourth Proportional to 371,221.20, 556,977.60 and 146,543.40

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Solution

The fourth proportional to 371,221.20, 556,977.60 and 146,543.40 is: 219,872.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,221.20 : 556,977.60 = 146,543.40 : x
  2. Step 2: Convert to fraction form
    371,221.20/556,977.60 = 146,543.40/x
  3. Step 3: Cross multiply
    371,221.20x = 556,977.60 × 146,543.40
  4. Step 4: Simplify right side
    371,221.20x = 81,621,391,227.84
  5. Step 5: Solve for x
    x = 81,621,391,227.84/371,221.20
  6. Step 6: Final answer
    x = 219,872.66

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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.