Home / 356,766.60-534,890.70-146,296.20

Finding the Fourth Proportional to 356,766.60, 534,890.70 and 146,296.20

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Solution

The fourth proportional to 356,766.60, 534,890.70 and 146,296.20 is: 219,338.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,766.60 : 534,890.70 = 146,296.20 : x
  2. Step 2: Convert to fraction form
    356,766.60/534,890.70 = 146,296.20/x
  3. Step 3: Cross multiply
    356,766.60x = 534,890.70 × 146,296.20
  4. Step 4: Simplify right side
    356,766.60x = 78,252,476,825.34
  5. Step 5: Solve for x
    x = 78,252,476,825.34/356,766.60
  6. Step 6: Final answer
    x = 219,338.01

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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.