Home / 254,554.40-381,831.60-88,342.40

Finding the Fourth Proportional to 254,554.40, 381,831.60 and 88,342.40

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Solution

The fourth proportional to 254,554.40, 381,831.60 and 88,342.40 is: 132,513.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,554.40 : 381,831.60 = 88,342.40 : x
  2. Step 2: Convert to fraction form
    254,554.40/381,831.60 = 88,342.40/x
  3. Step 3: Cross multiply
    254,554.40x = 381,831.60 × 88,342.40
  4. Step 4: Simplify right side
    254,554.40x = 33,731,919,939.84
  5. Step 5: Solve for x
    x = 33,731,919,939.84/254,554.40
  6. Step 6: Final answer
    x = 132,513.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.