Home / 379,739.90-569,609.85-155,025.65

Finding the Fourth Proportional to 379,739.90, 569,609.85 and 155,025.65

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Solution

The fourth proportional to 379,739.90, 569,609.85 and 155,025.65 is: 232,538.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,739.90 : 569,609.85 = 155,025.65 : x
  2. Step 2: Convert to fraction form
    379,739.90/569,609.85 = 155,025.65/x
  3. Step 3: Cross multiply
    379,739.90x = 569,609.85 × 155,025.65
  4. Step 4: Simplify right side
    379,739.90x = 88,304,137,242.65
  5. Step 5: Solve for x
    x = 88,304,137,242.65/379,739.90
  6. Step 6: Final answer
    x = 232,538.48

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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.