Home / 314,557.20-472,132.08-209,449.44

Finding the Fourth Proportional to 314,557.20, 472,132.08 and 209,449.44

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Solution

The fourth proportional to 314,557.20, 472,132.08 and 209,449.44 is: 314,371.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,557.20 : 472,132.08 = 209,449.44 : x
  2. Step 2: Convert to fraction form
    314,557.20/472,132.08 = 209,449.44/x
  3. Step 3: Cross multiply
    314,557.20x = 472,132.08 × 209,449.44
  4. Step 4: Simplify right side
    314,557.20x = 98,887,799,762.04
  5. Step 5: Solve for x
    x = 98,887,799,762.04/314,557.20
  6. Step 6: Final answer
    x = 314,371.44

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1.5x scale

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.