Home / 279,320.06-385,461.78-151,992.92

Finding the Fourth Proportional to 279,320.06, 385,461.78 and 151,992.92

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Solution

The fourth proportional to 279,320.06, 385,461.78 and 151,992.92 is: 209,750.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,320.06 : 385,461.78 = 151,992.92 : x
  2. Step 2: Convert to fraction form
    279,320.06/385,461.78 = 151,992.92/x
  3. Step 3: Cross multiply
    279,320.06x = 385,461.78 × 151,992.92
  4. Step 4: Simplify right side
    279,320.06x = 58,587,461,490.60
  5. Step 5: Solve for x
    x = 58,587,461,490.60/279,320.06
  6. Step 6: Final answer
    x = 209,750.28

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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.