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Finding the Fourth Proportional to 253,549.08, 380,332.44 and 120,360.72

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Solution

The fourth proportional to 253,549.08, 380,332.44 and 120,360.72 is: 180,545.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,549.08 : 380,332.44 = 120,360.72 : x
  2. Step 2: Convert to fraction form
    253,549.08/380,332.44 = 120,360.72/x
  3. Step 3: Cross multiply
    253,549.08x = 380,332.44 × 120,360.72
  4. Step 4: Simplify right side
    253,549.08x = 45,777,086,317.76
  5. Step 5: Solve for x
    x = 45,777,086,317.76/253,549.08
  6. Step 6: Final answer
    x = 180,545.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.