Home / 304,869.80-457,353.30-127,285.40

Finding the Fourth Proportional to 304,869.80, 457,353.30 and 127,285.40

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Solution

The fourth proportional to 304,869.80, 457,353.30 and 127,285.40 is: 190,948.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,869.80 : 457,353.30 = 127,285.40 : x
  2. Step 2: Convert to fraction form
    304,869.80/457,353.30 = 127,285.40/x
  3. Step 3: Cross multiply
    304,869.80x = 457,353.30 × 127,285.40
  4. Step 4: Simplify right side
    304,869.80x = 58,214,397,731.82
  5. Step 5: Solve for x
    x = 58,214,397,731.82/304,869.80
  6. Step 6: Final answer
    x = 190,948.39

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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.