Home / 279,335.20-385,486.16-152,014.24

Finding the Fourth Proportional to 279,335.20, 385,486.16 and 152,014.24

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Solution

The fourth proportional to 279,335.20, 385,486.16 and 152,014.24 is: 209,781.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,335.20 : 385,486.16 = 152,014.24 : x
  2. Step 2: Convert to fraction form
    279,335.20/385,486.16 = 152,014.24/x
  3. Step 3: Cross multiply
    279,335.20x = 385,486.16 × 152,014.24
  4. Step 4: Simplify right side
    279,335.20x = 58,599,385,642.92
  5. Step 5: Solve for x
    x = 58,599,385,642.92/279,335.20
  6. Step 6: Final answer
    x = 209,781.60

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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.