Home / 400,280.09-552,586.40-230,481.41

Finding the Fourth Proportional to 400,280.09, 552,586.40 and 230,481.41

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Solution

The fourth proportional to 400,280.09, 552,586.40 and 230,481.41 is: 318,179.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,280.09 : 552,586.40 = 230,481.41 : x
  2. Step 2: Convert to fraction form
    400,280.09/552,586.40 = 230,481.41/x
  3. Step 3: Cross multiply
    400,280.09x = 552,586.40 × 230,481.41
  4. Step 4: Simplify right side
    400,280.09x = 127,360,888,703.49
  5. Step 5: Solve for x
    x = 127,360,888,703.49/400,280.09
  6. Step 6: Final answer
    x = 318,179.43

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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.