Home / 238,247.31-328,785.03-130,827

Finding the Fourth Proportional to 238,247.31, 328,785.03 and 130,827

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Solution

The fourth proportional to 238,247.31, 328,785.03 and 130,827 is: 180,543.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,247.31 : 328,785.03 = 130,827 : x
  2. Step 2: Convert to fraction form
    238,247.31/328,785.03 = 130,827/x
  3. Step 3: Cross multiply
    238,247.31x = 328,785.03 × 130,827
  4. Step 4: Simplify right side
    238,247.31x = 43,013,959,119.81
  5. Step 5: Solve for x
    x = 43,013,959,119.81/238,247.31
  6. Step 6: Final answer
    x = 180,543.31

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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.