Home / 270,515.41-373,315.20-155,814.65

Finding the Fourth Proportional to 270,515.41, 373,315.20 and 155,814.65

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Solution

The fourth proportional to 270,515.41, 373,315.20 and 155,814.65 is: 215,026.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,515.41 : 373,315.20 = 155,814.65 : x
  2. Step 2: Convert to fraction form
    270,515.41/373,315.20 = 155,814.65/x
  3. Step 3: Cross multiply
    270,515.41x = 373,315.20 × 155,814.65
  4. Step 4: Simplify right side
    270,515.41x = 58,167,977,497.72
  5. Step 5: Solve for x
    x = 58,167,977,497.72/270,515.41
  6. Step 6: Final answer
    x = 215,026.48

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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.