Home / 238,254.23-328,884.52-142,742.47

Finding the Fourth Proportional to 238,254.23, 328,884.52 and 142,742.47

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Solution

The fourth proportional to 238,254.23, 328,884.52 and 142,742.47 is: 197,040.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,254.23 : 328,884.52 = 142,742.47 : x
  2. Step 2: Convert to fraction form
    238,254.23/328,884.52 = 142,742.47/x
  3. Step 3: Cross multiply
    238,254.23x = 328,884.52 × 142,742.47
  4. Step 4: Simplify right side
    238,254.23x = 46,945,788,729.56
  5. Step 5: Solve for x
    x = 46,945,788,729.56/238,254.23
  6. Step 6: Final answer
    x = 197,040.74

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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.