Home / 254,466.40-381,699.60-88,271.20

Finding the Fourth Proportional to 254,466.40, 381,699.60 and 88,271.20

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Solution

The fourth proportional to 254,466.40, 381,699.60 and 88,271.20 is: 132,406.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,466.40 : 381,699.60 = 88,271.20 : x
  2. Step 2: Convert to fraction form
    254,466.40/381,699.60 = 88,271.20/x
  3. Step 3: Cross multiply
    254,466.40x = 381,699.60 × 88,271.20
  4. Step 4: Simplify right side
    254,466.40x = 33,693,081,731.52
  5. Step 5: Solve for x
    x = 33,693,081,731.52/254,466.40
  6. Step 6: Final answer
    x = 132,406.80

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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.