Home / 238,293.28-328,845.20-130,870.36

Finding the Fourth Proportional to 238,293.28, 328,845.20 and 130,870.36

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Solution

The fourth proportional to 238,293.28, 328,845.20 and 130,870.36 is: 180,601.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,293.28 : 328,845.20 = 130,870.36 : x
  2. Step 2: Convert to fraction form
    238,293.28/328,845.20 = 130,870.36/x
  3. Step 3: Cross multiply
    238,293.28x = 328,845.20 × 130,870.36
  4. Step 4: Simplify right side
    238,293.28x = 43,036,089,708.27
  5. Step 5: Solve for x
    x = 43,036,089,708.27/238,293.28
  6. Step 6: Final answer
    x = 180,601.36

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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.