Home / 257,748.36-355,668.84-144,549.24

Finding the Fourth Proportional to 257,748.36, 355,668.84 and 144,549.24

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Solution

The fourth proportional to 257,748.36, 355,668.84 and 144,549.24 is: 199,464.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,748.36 : 355,668.84 = 144,549.24 : x
  2. Step 2: Convert to fraction form
    257,748.36/355,668.84 = 144,549.24/x
  3. Step 3: Cross multiply
    257,748.36x = 355,668.84 × 144,549.24
  4. Step 4: Simplify right side
    257,748.36x = 51,411,660,513.68
  5. Step 5: Solve for x
    x = 51,411,660,513.68/257,748.36
  6. Step 6: Final answer
    x = 199,464.55

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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.