Home / 461,780.40-692,605.80-146,269.20

Finding the Fourth Proportional to 461,780.40, 692,605.80 and 146,269.20

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Solution

The fourth proportional to 461,780.40, 692,605.80 and 146,269.20 is: 219,383.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,780.40 : 692,605.80 = 146,269.20 : x
  2. Step 2: Convert to fraction form
    461,780.40/692,605.80 = 146,269.20/x
  3. Step 3: Cross multiply
    461,780.40x = 692,605.80 × 146,269.20
  4. Step 4: Simplify right side
    461,780.40x = 101,306,896,281.36
  5. Step 5: Solve for x
    x = 101,306,896,281.36/461,780.40
  6. Step 6: Final answer
    x = 219,383.27

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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.