Home / 434,712.20-652,262.70-154,430.60

Finding the Fourth Proportional to 434,712.20, 652,262.70 and 154,430.60

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Solution

The fourth proportional to 434,712.20, 652,262.70 and 154,430.60 is: 231,714.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,712.20 : 652,262.70 = 154,430.60 : x
  2. Step 2: Convert to fraction form
    434,712.20/652,262.70 = 154,430.60/x
  3. Step 3: Cross multiply
    434,712.20x = 652,262.70 × 154,430.60
  4. Step 4: Simplify right side
    434,712.20x = 100,729,320,118.62
  5. Step 5: Solve for x
    x = 100,729,320,118.62/434,712.20
  6. Step 6: Final answer
    x = 231,714.96

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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.