Home / 400,145.16-552,139.02-230,346.48

Finding the Fourth Proportional to 400,145.16, 552,139.02 and 230,346.48

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Solution

The fourth proportional to 400,145.16, 552,139.02 and 230,346.48 is: 317,842.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,145.16 : 552,139.02 = 230,346.48 : x
  2. Step 2: Convert to fraction form
    400,145.16/552,139.02 = 230,346.48/x
  3. Step 3: Cross multiply
    400,145.16x = 552,139.02 × 230,346.48
  4. Step 4: Simplify right side
    400,145.16x = 127,183,279,727.65
  5. Step 5: Solve for x
    x = 127,183,279,727.65/400,145.16
  6. Step 6: Final answer
    x = 317,842.85

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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.