Home / 238,268.10-328,815.54-130,831.86

Finding the Fourth Proportional to 238,268.10, 328,815.54 and 130,831.86

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Solution

The fourth proportional to 238,268.10, 328,815.54 and 130,831.86 is: 180,551.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,268.10 : 328,815.54 = 130,831.86 : x
  2. Step 2: Convert to fraction form
    238,268.10/328,815.54 = 130,831.86/x
  3. Step 3: Cross multiply
    238,268.10x = 328,815.54 × 130,831.86
  4. Step 4: Simplify right side
    238,268.10x = 43,019,548,695.10
  5. Step 5: Solve for x
    x = 43,019,548,695.10/238,268.10
  6. Step 6: Final answer
    x = 180,551.02

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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.