Home / 434,860.55-652,352.33-135,371.35

Finding the Fourth Proportional to 434,860.55, 652,352.33 and 135,371.35

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Solution

The fourth proportional to 434,860.55, 652,352.33 and 135,371.35 is: 203,076.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,860.55 : 652,352.33 = 135,371.35 : x
  2. Step 2: Convert to fraction form
    434,860.55/652,352.33 = 135,371.35/x
  3. Step 3: Cross multiply
    434,860.55x = 652,352.33 × 135,371.35
  4. Step 4: Simplify right side
    434,860.55x = 88,309,816,741.61
  5. Step 5: Solve for x
    x = 88,309,816,741.61/434,860.55
  6. Step 6: Final answer
    x = 203,076.17

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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.