Home / 237,700.28-328,030.08-142,211

Finding the Fourth Proportional to 237,700.28, 328,030.08 and 142,211

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Solution

The fourth proportional to 237,700.28, 328,030.08 and 142,211 is: 196,253.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,700.28 : 328,030.08 = 142,211 : x
  2. Step 2: Convert to fraction form
    237,700.28/328,030.08 = 142,211/x
  3. Step 3: Cross multiply
    237,700.28x = 328,030.08 × 142,211
  4. Step 4: Simplify right side
    237,700.28x = 46,649,485,706.88
  5. Step 5: Solve for x
    x = 46,649,485,706.88/237,700.28
  6. Step 6: Final answer
    x = 196,253.39

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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.