Home / 279,333.06-385,478.91-152,008.62

Finding the Fourth Proportional to 279,333.06, 385,478.91 and 152,008.62

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Solution

The fourth proportional to 279,333.06, 385,478.91 and 152,008.62 is: 209,771.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,333.06 : 385,478.91 = 152,008.62 : x
  2. Step 2: Convert to fraction form
    279,333.06/385,478.91 = 152,008.62/x
  3. Step 3: Cross multiply
    279,333.06x = 385,478.91 × 152,008.62
  4. Step 4: Simplify right side
    279,333.06x = 58,596,117,148.20
  5. Step 5: Solve for x
    x = 58,596,117,148.20/279,333.06
  6. Step 6: Final answer
    x = 209,771.51

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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.