Home / 317,618.68-474,143.33-272,150.43

Finding the Fourth Proportional to 317,618.68, 474,143.33 and 272,150.43

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Solution

The fourth proportional to 317,618.68, 474,143.33 and 272,150.43 is: 406,268.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,618.68 : 474,143.33 = 272,150.43 : x
  2. Step 2: Convert to fraction form
    317,618.68/474,143.33 = 272,150.43/x
  3. Step 3: Cross multiply
    317,618.68x = 474,143.33 × 272,150.43
  4. Step 4: Simplify right side
    317,618.68x = 129,038,311,821.51
  5. Step 5: Solve for x
    x = 129,038,311,821.51/317,618.68
  6. Step 6: Final answer
    x = 406,268.02

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.