Home / 238,040.51-328,496.29-130,611.33

Finding the Fourth Proportional to 238,040.51, 328,496.29 and 130,611.33

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Solution

The fourth proportional to 238,040.51, 328,496.29 and 130,611.33 is: 180,243.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,040.51 : 328,496.29 = 130,611.33 : x
  2. Step 2: Convert to fraction form
    238,040.51/328,496.29 = 130,611.33/x
  3. Step 3: Cross multiply
    238,040.51x = 328,496.29 × 130,611.33
  4. Step 4: Simplify right side
    238,040.51x = 42,905,337,010.44
  5. Step 5: Solve for x
    x = 42,905,337,010.44/238,040.51
  6. Step 6: Final answer
    x = 180,243.85

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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.