Home / 434,740.20-652,304.70-154,458.60

Finding the Fourth Proportional to 434,740.20, 652,304.70 and 154,458.60

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Solution

The fourth proportional to 434,740.20, 652,304.70 and 154,458.60 is: 231,756.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,740.20 : 652,304.70 = 154,458.60 : x
  2. Step 2: Convert to fraction form
    434,740.20/652,304.70 = 154,458.60/x
  3. Step 3: Cross multiply
    434,740.20x = 652,304.70 × 154,458.60
  4. Step 4: Simplify right side
    434,740.20x = 100,754,070,735.42
  5. Step 5: Solve for x
    x = 100,754,070,735.42/434,740.20
  6. Step 6: Final answer
    x = 231,756.97

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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.