Home / 279,605.03-385,859.33-152,280.52

Finding the Fourth Proportional to 279,605.03, 385,859.33 and 152,280.52

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Solution

The fourth proportional to 279,605.03, 385,859.33 and 152,280.52 is: 210,149.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,605.03 : 385,859.33 = 152,280.52 : x
  2. Step 2: Convert to fraction form
    279,605.03/385,859.33 = 152,280.52/x
  3. Step 3: Cross multiply
    279,605.03x = 385,859.33 × 152,280.52
  4. Step 4: Simplify right side
    279,605.03x = 58,758,859,419.25
  5. Step 5: Solve for x
    x = 58,758,859,419.25/279,605.03
  6. Step 6: Final answer
    x = 210,149.51

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1.5x scale

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.