Home / 304,456.68-420,151.03-168,500.00

Finding the Fourth Proportional to 304,456.68, 420,151.03 and 168,500.00

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Solution

The fourth proportional to 304,456.68, 420,151.03 and 168,500.00 is: 232,530.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,456.68 : 420,151.03 = 168,500.00 : x
  2. Step 2: Convert to fraction form
    304,456.68/420,151.03 = 168,500.00/x
  3. Step 3: Cross multiply
    304,456.68x = 420,151.03 × 168,500.00
  4. Step 4: Simplify right side
    304,456.68x = 70,795,449,184.13
  5. Step 5: Solve for x
    x = 70,795,449,184.13/304,456.68
  6. Step 6: Final answer
    x = 232,530.45

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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.