Home / 238,055.28-328,521.24-130,619.04

Finding the Fourth Proportional to 238,055.28, 328,521.24 and 130,619.04

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Solution

The fourth proportional to 238,055.28, 328,521.24 and 130,619.04 is: 180,256.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,055.28 : 328,521.24 = 130,619.04 : x
  2. Step 2: Convert to fraction form
    238,055.28/328,521.24 = 130,619.04/x
  3. Step 3: Cross multiply
    238,055.28x = 328,521.24 × 130,619.04
  4. Step 4: Simplify right side
    238,055.28x = 42,911,128,988.41
  5. Step 5: Solve for x
    x = 42,911,128,988.41/238,055.28
  6. Step 6: Final answer
    x = 180,256.99

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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.