Home / 254,551.80-381,827.70-147,826.20

Finding the Fourth Proportional to 254,551.80, 381,827.70 and 147,826.20

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Solution

The fourth proportional to 254,551.80, 381,827.70 and 147,826.20 is: 221,739.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,551.80 : 381,827.70 = 147,826.20 : x
  2. Step 2: Convert to fraction form
    254,551.80/381,827.70 = 147,826.20/x
  3. Step 3: Cross multiply
    254,551.80x = 381,827.70 × 147,826.20
  4. Step 4: Simplify right side
    254,551.80x = 56,444,137,945.74
  5. Step 5: Solve for x
    x = 56,444,137,945.74/254,551.80
  6. Step 6: Final answer
    x = 221,739.30

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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.