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Finding the Fourth Proportional to 243,800.88, 336,460.13 and 136,378.14

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Solution

The fourth proportional to 243,800.88, 336,460.13 and 136,378.14 is: 188,210.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,800.88 : 336,460.13 = 136,378.14 : x
  2. Step 2: Convert to fraction form
    243,800.88/336,460.13 = 136,378.14/x
  3. Step 3: Cross multiply
    243,800.88x = 336,460.13 × 136,378.14
  4. Step 4: Simplify right side
    243,800.88x = 45,885,806,713.56
  5. Step 5: Solve for x
    x = 45,885,806,713.56/243,800.88
  6. Step 6: Final answer
    x = 188,210.18

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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.