Home / 304,826.40-457,498.80-136,605.60

Finding the Fourth Proportional to 304,826.40, 457,498.80 and 136,605.60

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Solution

The fourth proportional to 304,826.40, 457,498.80 and 136,605.60 is: 205,024.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,826.40 : 457,498.80 = 136,605.60 : x
  2. Step 2: Convert to fraction form
    304,826.40/457,498.80 = 136,605.60/x
  3. Step 3: Cross multiply
    304,826.40x = 457,498.80 × 136,605.60
  4. Step 4: Simplify right side
    304,826.40x = 62,496,898,073.28
  5. Step 5: Solve for x
    x = 62,496,898,073.28/304,826.40
  6. Step 6: Final answer
    x = 205,024.56

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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.