Home / 242,447.31-334,580.57-135,020.04

Finding the Fourth Proportional to 242,447.31, 334,580.57 and 135,020.04

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Solution

The fourth proportional to 242,447.31, 334,580.57 and 135,020.04 is: 186,329.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,447.31 : 334,580.57 = 135,020.04 : x
  2. Step 2: Convert to fraction form
    242,447.31/334,580.57 = 135,020.04/x
  3. Step 3: Cross multiply
    242,447.31x = 334,580.57 × 135,020.04
  4. Step 4: Simplify right side
    242,447.31x = 45,175,081,269.52
  5. Step 5: Solve for x
    x = 45,175,081,269.52/242,447.31
  6. Step 6: Final answer
    x = 186,329.48

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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.