Home / 303,159.23-418,389.32-226,545.30

Finding the Fourth Proportional to 303,159.23, 418,389.32 and 226,545.30

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Solution

The fourth proportional to 303,159.23, 418,389.32 and 226,545.30 is: 312,654.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,159.23 : 418,389.32 = 226,545.30 : x
  2. Step 2: Convert to fraction form
    303,159.23/418,389.32 = 226,545.30/x
  3. Step 3: Cross multiply
    303,159.23x = 418,389.32 × 226,545.30
  4. Step 4: Simplify right side
    303,159.23x = 94,784,134,016.20
  5. Step 5: Solve for x
    x = 94,784,134,016.20/303,159.23
  6. Step 6: Final answer
    x = 312,654.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.