Home / 257,973.87-355,984.41-144,774.75

Finding the Fourth Proportional to 257,973.87, 355,984.41 and 144,774.75

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Solution

The fourth proportional to 257,973.87, 355,984.41 and 144,774.75 is: 199,778.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,973.87 : 355,984.41 = 144,774.75 : x
  2. Step 2: Convert to fraction form
    257,973.87/355,984.41 = 144,774.75/x
  3. Step 3: Cross multiply
    257,973.87x = 355,984.41 × 144,774.75
  4. Step 4: Simplify right side
    257,973.87x = 51,537,553,961.65
  5. Step 5: Solve for x
    x = 51,537,553,961.65/257,973.87
  6. Step 6: Final answer
    x = 199,778.19

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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.