Home / 578,034.90-867,135.33-178,706.79

Finding the Fourth Proportional to 578,034.90, 867,135.33 and 178,706.79

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Solution

The fourth proportional to 578,034.90, 867,135.33 and 178,706.79 is: 268,085.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,034.90 : 867,135.33 = 178,706.79 : x
  2. Step 2: Convert to fraction form
    578,034.90/867,135.33 = 178,706.79/x
  3. Step 3: Cross multiply
    578,034.90x = 867,135.33 × 178,706.79
  4. Step 4: Simplify right side
    578,034.90x = 154,962,971,319.89
  5. Step 5: Solve for x
    x = 154,962,971,319.89/578,034.90
  6. Step 6: Final answer
    x = 268,085.84

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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.