Home / 257,828.52-355,801.86-144,651

Finding the Fourth Proportional to 257,828.52, 355,801.86 and 144,651

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Solution

The fourth proportional to 257,828.52, 355,801.86 and 144,651 is: 199,617.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,828.52 : 355,801.86 = 144,651 : x
  2. Step 2: Convert to fraction form
    257,828.52/355,801.86 = 144,651/x
  3. Step 3: Cross multiply
    257,828.52x = 355,801.86 × 144,651
  4. Step 4: Simplify right side
    257,828.52x = 51,467,094,850.86
  5. Step 5: Solve for x
    x = 51,467,094,850.86/257,828.52
  6. Step 6: Final answer
    x = 199,617.54

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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.