Home / 279,333.20-385,483.40-152,012.24

Finding the Fourth Proportional to 279,333.20, 385,483.40 and 152,012.24

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Solution

The fourth proportional to 279,333.20, 385,483.40 and 152,012.24 is: 209,778.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,333.20 : 385,483.40 = 152,012.24 : x
  2. Step 2: Convert to fraction form
    279,333.20/385,483.40 = 152,012.24/x
  3. Step 3: Cross multiply
    279,333.20x = 385,483.40 × 152,012.24
  4. Step 4: Simplify right side
    279,333.20x = 58,598,195,116.82
  5. Step 5: Solve for x
    x = 58,598,195,116.82/279,333.20
  6. Step 6: Final answer
    x = 209,778.84

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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.