Home / 228,762.29-343,145.75-60,306.78

Finding the Fourth Proportional to 228,762.29, 343,145.75 and 60,306.78

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Solution

The fourth proportional to 228,762.29, 343,145.75 and 60,306.78 is: 90,460.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,762.29 : 343,145.75 = 60,306.78 : x
  2. Step 2: Convert to fraction form
    228,762.29/343,145.75 = 60,306.78/x
  3. Step 3: Cross multiply
    228,762.29x = 343,145.75 × 60,306.78
  4. Step 4: Simplify right side
    228,762.29x = 20,694,014,951.65
  5. Step 5: Solve for x
    x = 20,694,014,951.65/228,762.29
  6. Step 6: Final answer
    x = 90,460.78

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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.