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Finding the Fourth Proportional to 217,585.46, 300,459.42 and 136,053.44

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Solution

The fourth proportional to 217,585.46, 300,459.42 and 136,053.44 is: 187,873.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,585.46 : 300,459.42 = 136,053.44 : x
  2. Step 2: Convert to fraction form
    217,585.46/300,459.42 = 136,053.44/x
  3. Step 3: Cross multiply
    217,585.46x = 300,459.42 × 136,053.44
  4. Step 4: Simplify right side
    217,585.46x = 40,878,537,671.40
  5. Step 5: Solve for x
    x = 40,878,537,671.40/217,585.46
  6. Step 6: Final answer
    x = 187,873.48

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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.