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Finding the Fourth Proportional to 242,588.49, 334,772.49 and 135,162.30

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Solution

The fourth proportional to 242,588.49, 334,772.49 and 135,162.30 is: 186,524.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,588.49 : 334,772.49 = 135,162.30 : x
  2. Step 2: Convert to fraction form
    242,588.49/334,772.49 = 135,162.30/x
  3. Step 3: Cross multiply
    242,588.49x = 334,772.49 × 135,162.30
  4. Step 4: Simplify right side
    242,588.49x = 45,248,619,725.13
  5. Step 5: Solve for x
    x = 45,248,619,725.13/242,588.49
  6. Step 6: Final answer
    x = 186,524.18

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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.