Home / 257,722.90-355,675.36-144,552.94

Finding the Fourth Proportional to 257,722.90, 355,675.36 and 144,552.94

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Solution

The fourth proportional to 257,722.90, 355,675.36 and 144,552.94 is: 199,493.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,722.90 : 355,675.36 = 144,552.94 : x
  2. Step 2: Convert to fraction form
    257,722.90/355,675.36 = 144,552.94/x
  3. Step 3: Cross multiply
    257,722.90x = 355,675.36 × 144,552.94
  4. Step 4: Simplify right side
    257,722.90x = 51,413,917,722.99
  5. Step 5: Solve for x
    x = 51,413,917,722.99/257,722.90
  6. Step 6: Final answer
    x = 199,493.01

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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.