Home / 307,979.01-425,014.29-180,656.73

Finding the Fourth Proportional to 307,979.01, 425,014.29 and 180,656.73

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Solution

The fourth proportional to 307,979.01, 425,014.29 and 180,656.73 is: 249,308.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,979.01 : 425,014.29 = 180,656.73 : x
  2. Step 2: Convert to fraction form
    307,979.01/425,014.29 = 180,656.73/x
  3. Step 3: Cross multiply
    307,979.01x = 425,014.29 × 180,656.73
  4. Step 4: Simplify right side
    307,979.01x = 76,781,691,834.67
  5. Step 5: Solve for x
    x = 76,781,691,834.67/307,979.01
  6. Step 6: Final answer
    x = 249,308.20

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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.