Home / 237,900.90-328,280.10-142,405.50

Finding the Fourth Proportional to 237,900.90, 328,280.10 and 142,405.50

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Solution

The fourth proportional to 237,900.90, 328,280.10 and 142,405.50 is: 196,505.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,900.90 : 328,280.10 = 142,405.50 : x
  2. Step 2: Convert to fraction form
    237,900.90/328,280.10 = 142,405.50/x
  3. Step 3: Cross multiply
    237,900.90x = 328,280.10 × 142,405.50
  4. Step 4: Simplify right side
    237,900.90x = 46,748,891,780.55
  5. Step 5: Solve for x
    x = 46,748,891,780.55/237,900.90
  6. Step 6: Final answer
    x = 196,505.74

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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.