Home / 434,825.20-652,237.80-119,281.60

Finding the Fourth Proportional to 434,825.20, 652,237.80 and 119,281.60

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Solution

The fourth proportional to 434,825.20, 652,237.80 and 119,281.60 is: 178,922.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,825.20 : 652,237.80 = 119,281.60 : x
  2. Step 2: Convert to fraction form
    434,825.20/652,237.80 = 119,281.60/x
  3. Step 3: Cross multiply
    434,825.20x = 652,237.80 × 119,281.60
  4. Step 4: Simplify right side
    434,825.20x = 77,799,968,364.48
  5. Step 5: Solve for x
    x = 77,799,968,364.48/434,825.20
  6. Step 6: Final answer
    x = 178,922.40

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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.