Home / 257,724.40-355,677.43-144,554.44

Finding the Fourth Proportional to 257,724.40, 355,677.43 and 144,554.44

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Solution

The fourth proportional to 257,724.40, 355,677.43 and 144,554.44 is: 199,495.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,724.40 : 355,677.43 = 144,554.44 : x
  2. Step 2: Convert to fraction form
    257,724.40/355,677.43 = 144,554.44/x
  3. Step 3: Cross multiply
    257,724.40x = 355,677.43 × 144,554.44
  4. Step 4: Simplify right side
    257,724.40x = 51,414,750,463.71
  5. Step 5: Solve for x
    x = 51,414,750,463.71/257,724.40
  6. Step 6: Final answer
    x = 199,495.08

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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.