Home / 307,545.06-424,402.56-180,305.40

Finding the Fourth Proportional to 307,545.06, 424,402.56 and 180,305.40

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Solution

The fourth proportional to 307,545.06, 424,402.56 and 180,305.40 is: 248,815.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,545.06 : 424,402.56 = 180,305.40 : x
  2. Step 2: Convert to fraction form
    307,545.06/424,402.56 = 180,305.40/x
  3. Step 3: Cross multiply
    307,545.06x = 424,402.56 × 180,305.40
  4. Step 4: Simplify right side
    307,545.06x = 76,522,073,341.82
  5. Step 5: Solve for x
    x = 76,522,073,341.82/307,545.06
  6. Step 6: Final answer
    x = 248,815.81

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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.