Home / 434,311.20-651,466.80-153,856.80

Finding the Fourth Proportional to 434,311.20, 651,466.80 and 153,856.80

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Solution

The fourth proportional to 434,311.20, 651,466.80 and 153,856.80 is: 230,785.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,311.20 : 651,466.80 = 153,856.80 : x
  2. Step 2: Convert to fraction form
    434,311.20/651,466.80 = 153,856.80/x
  3. Step 3: Cross multiply
    434,311.20x = 651,466.80 × 153,856.80
  4. Step 4: Simplify right side
    434,311.20x = 100,232,597,154.24
  5. Step 5: Solve for x
    x = 100,232,597,154.24/434,311.20
  6. Step 6: Final answer
    x = 230,785.20

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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.