Home / 304,565.12-420,293.76-168,599

Finding the Fourth Proportional to 304,565.12, 420,293.76 and 168,599

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Solution

The fourth proportional to 304,565.12, 420,293.76 and 168,599 is: 232,663.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,565.12 : 420,293.76 = 168,599 : x
  2. Step 2: Convert to fraction form
    304,565.12/420,293.76 = 168,599/x
  3. Step 3: Cross multiply
    304,565.12x = 420,293.76 × 168,599
  4. Step 4: Simplify right side
    304,565.12x = 70,861,107,642.24
  5. Step 5: Solve for x
    x = 70,861,107,642.24/304,565.12
  6. Step 6: Final answer
    x = 232,663.24

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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.