Home / 515,048.10-772,353.45-248,890.20

Finding the Fourth Proportional to 515,048.10, 772,353.45 and 248,890.20

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Solution

The fourth proportional to 515,048.10, 772,353.45 and 248,890.20 is: 373,229.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    515,048.10 : 772,353.45 = 248,890.20 : x
  2. Step 2: Convert to fraction form
    515,048.10/772,353.45 = 248,890.20/x
  3. Step 3: Cross multiply
    515,048.10x = 772,353.45 × 248,890.20
  4. Step 4: Simplify right side
    515,048.10x = 192,231,204,641.19
  5. Step 5: Solve for x
    x = 192,231,204,641.19/515,048.10
  6. Step 6: Final answer
    x = 373,229.62

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1.5x scale

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.