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Finding the Fourth Proportional to 243,453.80, 335,959.95 and 136,024.57

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Solution

The fourth proportional to 243,453.80, 335,959.95 and 136,024.57 is: 187,710.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,453.80 : 335,959.95 = 136,024.57 : x
  2. Step 2: Convert to fraction form
    243,453.80/335,959.95 = 136,024.57/x
  3. Step 3: Cross multiply
    243,453.80x = 335,959.95 × 136,024.57
  4. Step 4: Simplify right side
    243,453.80x = 45,698,806,776.24
  5. Step 5: Solve for x
    x = 45,698,806,776.24/243,453.80
  6. Step 6: Final answer
    x = 187,710.38

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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.