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Finding the Fourth Proportional to 247,859.48, 342,045.44 and 134,682.24

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Solution

The fourth proportional to 247,859.48, 342,045.44 and 134,682.24 is: 185,861.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,859.48 : 342,045.44 = 134,682.24 : x
  2. Step 2: Convert to fraction form
    247,859.48/342,045.44 = 134,682.24/x
  3. Step 3: Cross multiply
    247,859.48x = 342,045.44 × 134,682.24
  4. Step 4: Simplify right side
    247,859.48x = 46,067,446,040.99
  5. Step 5: Solve for x
    x = 46,067,446,040.99/247,859.48
  6. Step 6: Final answer
    x = 185,861.14

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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.