Home / 228,084.20-342,126.30-153,434.60

Finding the Fourth Proportional to 228,084.20, 342,126.30 and 153,434.60

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Solution

The fourth proportional to 228,084.20, 342,126.30 and 153,434.60 is: 230,151.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,084.20 : 342,126.30 = 153,434.60 : x
  2. Step 2: Convert to fraction form
    228,084.20/342,126.30 = 153,434.60/x
  3. Step 3: Cross multiply
    228,084.20x = 342,126.30 × 153,434.60
  4. Step 4: Simplify right side
    228,084.20x = 52,494,011,989.98
  5. Step 5: Solve for x
    x = 52,494,011,989.98/228,084.20
  6. Step 6: Final answer
    x = 230,151.90

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1.5x scale

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.