Home / 279,584.79-385,831.13-152,260.08

Finding the Fourth Proportional to 279,584.79, 385,831.13 and 152,260.08

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Solution

The fourth proportional to 279,584.79, 385,831.13 and 152,260.08 is: 210,121.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,584.79 : 385,831.13 = 152,260.08 : x
  2. Step 2: Convert to fraction form
    279,584.79/385,831.13 = 152,260.08/x
  3. Step 3: Cross multiply
    279,584.79x = 385,831.13 × 152,260.08
  4. Step 4: Simplify right side
    279,584.79x = 58,746,677,958.99
  5. Step 5: Solve for x
    x = 58,746,677,958.99/279,584.79
  6. Step 6: Final answer
    x = 210,121.15

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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.