Home / 712,178.39-1,068,269.51-179,699.38

Finding the Fourth Proportional to 712,178.39, 1,068,269.51 and 179,699.38

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Solution

The fourth proportional to 712,178.39, 1,068,269.51 and 179,699.38 is: 269,549.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    712,178.39 : 1,068,269.51 = 179,699.38 : x
  2. Step 2: Convert to fraction form
    712,178.39/1,068,269.51 = 179,699.38/x
  3. Step 3: Cross multiply
    712,178.39x = 1,068,269.51 × 179,699.38
  4. Step 4: Simplify right side
    712,178.39x = 191,967,366,398.48
  5. Step 5: Solve for x
    x = 191,967,366,398.48/712,178.39
  6. Step 6: Final answer
    x = 269,549.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.