Home / 483,320.16-667,069.20-279,342.96

Finding the Fourth Proportional to 483,320.16, 667,069.20 and 279,342.96

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Solution

The fourth proportional to 483,320.16, 667,069.20 and 279,342.96 is: 385,543.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,320.16 : 667,069.20 = 279,342.96 : x
  2. Step 2: Convert to fraction form
    483,320.16/667,069.20 = 279,342.96/x
  3. Step 3: Cross multiply
    483,320.16x = 667,069.20 × 279,342.96
  4. Step 4: Simplify right side
    483,320.16x = 186,341,084,852.83
  5. Step 5: Solve for x
    x = 186,341,084,852.83/483,320.16
  6. Step 6: Final answer
    x = 385,543.79

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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.