Home / 238,040.64-328,494.24-137,494.08

Finding the Fourth Proportional to 238,040.64, 328,494.24 and 137,494.08

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Solution

The fourth proportional to 238,040.64, 328,494.24 and 137,494.08 is: 189,740.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,040.64 : 328,494.24 = 137,494.08 : x
  2. Step 2: Convert to fraction form
    238,040.64/328,494.24 = 137,494.08/x
  3. Step 3: Cross multiply
    238,040.64x = 328,494.24 × 137,494.08
  4. Step 4: Simplify right side
    238,040.64x = 45,166,013,314.10
  5. Step 5: Solve for x
    x = 45,166,013,314.10/238,040.64
  6. Step 6: Final answer
    x = 189,740.77

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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.