Home / 237,679.50-328,000.30-130,247.22

Finding the Fourth Proportional to 237,679.50, 328,000.30 and 130,247.22

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Solution

The fourth proportional to 237,679.50, 328,000.30 and 130,247.22 is: 179,742.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,679.50 : 328,000.30 = 130,247.22 : x
  2. Step 2: Convert to fraction form
    237,679.50/328,000.30 = 130,247.22/x
  3. Step 3: Cross multiply
    237,679.50x = 328,000.30 × 130,247.22
  4. Step 4: Simplify right side
    237,679.50x = 42,721,128,138.55
  5. Step 5: Solve for x
    x = 42,721,128,138.55/237,679.50
  6. Step 6: Final answer
    x = 179,742.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.