Home / 242,644.43-334,810.01-135,211.70

Finding the Fourth Proportional to 242,644.43, 334,810.01 and 135,211.70

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Solution

The fourth proportional to 242,644.43, 334,810.01 and 135,211.70 is: 186,570.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,644.43 : 334,810.01 = 135,211.70 : x
  2. Step 2: Convert to fraction form
    242,644.43/334,810.01 = 135,211.70/x
  3. Step 3: Cross multiply
    242,644.43x = 334,810.01 × 135,211.70
  4. Step 4: Simplify right side
    242,644.43x = 45,270,231,804.17
  5. Step 5: Solve for x
    x = 45,270,231,804.17/242,644.43
  6. Step 6: Final answer
    x = 186,570.25

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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.