Home / 308,289.26-425,439.02-180,964.85

Finding the Fourth Proportional to 308,289.26, 425,439.02 and 180,964.85

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Solution

The fourth proportional to 308,289.26, 425,439.02 and 180,964.85 is: 249,731.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,289.26 : 425,439.02 = 180,964.85 : x
  2. Step 2: Convert to fraction form
    308,289.26/425,439.02 = 180,964.85/x
  3. Step 3: Cross multiply
    308,289.26x = 425,439.02 × 180,964.85
  4. Step 4: Simplify right side
    308,289.26x = 76,989,506,763.66
  5. Step 5: Solve for x
    x = 76,989,506,763.66/308,289.26
  6. Step 6: Final answer
    x = 249,731.39

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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.