Home / 304,853.40-457,280.10-178,882.20

Finding the Fourth Proportional to 304,853.40, 457,280.10 and 178,882.20

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Solution

The fourth proportional to 304,853.40, 457,280.10 and 178,882.20 is: 268,323.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,853.40 : 457,280.10 = 178,882.20 : x
  2. Step 2: Convert to fraction form
    304,853.40/457,280.10 = 178,882.20/x
  3. Step 3: Cross multiply
    304,853.40x = 457,280.10 × 178,882.20
  4. Step 4: Simplify right side
    304,853.40x = 81,799,270,304.22
  5. Step 5: Solve for x
    x = 81,799,270,304.22/304,853.40
  6. Step 6: Final answer
    x = 268,323.30

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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.