Home / 371,258.20-556,887.30-318,114.10

Finding the Fourth Proportional to 371,258.20, 556,887.30 and 318,114.10

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Solution

The fourth proportional to 371,258.20, 556,887.30 and 318,114.10 is: 477,171.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,258.20 : 556,887.30 = 318,114.10 : x
  2. Step 2: Convert to fraction form
    371,258.20/556,887.30 = 318,114.10/x
  3. Step 3: Cross multiply
    371,258.20x = 556,887.30 × 318,114.10
  4. Step 4: Simplify right side
    371,258.20x = 177,153,702,240.93
  5. Step 5: Solve for x
    x = 177,153,702,240.93/371,258.20
  6. Step 6: Final answer
    x = 477,171.15

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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.