Home / 434,735.20-652,102.80-119,191.60

Finding the Fourth Proportional to 434,735.20, 652,102.80 and 119,191.60

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Solution

The fourth proportional to 434,735.20, 652,102.80 and 119,191.60 is: 178,787.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,735.20 : 652,102.80 = 119,191.60 : x
  2. Step 2: Convert to fraction form
    434,735.20/652,102.80 = 119,191.60/x
  3. Step 3: Cross multiply
    434,735.20x = 652,102.80 × 119,191.60
  4. Step 4: Simplify right side
    434,735.20x = 77,725,176,096.48
  5. Step 5: Solve for x
    x = 77,725,176,096.48/434,735.20
  6. Step 6: Final answer
    x = 178,787.40

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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.