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Finding the Fourth Proportional to 243,492.57, 336,013.29 and 136,063.47

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Solution

The fourth proportional to 243,492.57, 336,013.29 and 136,063.47 is: 187,763.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,492.57 : 336,013.29 = 136,063.47 : x
  2. Step 2: Convert to fraction form
    243,492.57/336,013.29 = 136,063.47/x
  3. Step 3: Cross multiply
    243,492.57x = 336,013.29 × 136,063.47
  4. Step 4: Simplify right side
    243,492.57x = 45,719,134,203.52
  5. Step 5: Solve for x
    x = 45,719,134,203.52/243,492.57
  6. Step 6: Final answer
    x = 187,763.98

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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.