Home / 275,035.35-379,550.13-160,393.47

Finding the Fourth Proportional to 275,035.35, 379,550.13 and 160,393.47

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Solution

The fourth proportional to 275,035.35, 379,550.13 and 160,393.47 is: 221,343.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,035.35 : 379,550.13 = 160,393.47 : x
  2. Step 2: Convert to fraction form
    275,035.35/379,550.13 = 160,393.47/x
  3. Step 3: Cross multiply
    275,035.35x = 379,550.13 × 160,393.47
  4. Step 4: Simplify right side
    275,035.35x = 60,877,362,389.65
  5. Step 5: Solve for x
    x = 60,877,362,389.65/275,035.35
  6. Step 6: Final answer
    x = 221,343.77

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1.5x scale

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.