Home / 345,223.20-517,885.86-176,838.78

Finding the Fourth Proportional to 345,223.20, 517,885.86 and 176,838.78

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Solution

The fourth proportional to 345,223.20, 517,885.86 and 176,838.78 is: 265,284.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,223.20 : 517,885.86 = 176,838.78 : x
  2. Step 2: Convert to fraction form
    345,223.20/517,885.86 = 176,838.78/x
  3. Step 3: Cross multiply
    345,223.20x = 517,885.86 × 176,838.78
  4. Step 4: Simplify right side
    345,223.20x = 91,582,303,661.65
  5. Step 5: Solve for x
    x = 91,582,303,661.65/345,223.20
  6. Step 6: Final answer
    x = 265,284.33

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.