Home / 368,837.34-552,644.55-128,822.29

Finding the Fourth Proportional to 368,837.34, 552,644.55 and 128,822.29

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Solution

The fourth proportional to 368,837.34, 552,644.55 and 128,822.29 is: 193,019.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,837.34 : 552,644.55 = 128,822.29 : x
  2. Step 2: Convert to fraction form
    368,837.34/552,644.55 = 128,822.29/x
  3. Step 3: Cross multiply
    368,837.34x = 552,644.55 × 128,822.29
  4. Step 4: Simplify right side
    368,837.34x = 71,192,936,487.02
  5. Step 5: Solve for x
    x = 71,192,936,487.02/368,837.34
  6. Step 6: Final answer
    x = 193,019.87

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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.