Home / 257,910.38-355,941.88-144,733.58

Finding the Fourth Proportional to 257,910.38, 355,941.88 and 144,733.58

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Solution

The fourth proportional to 257,910.38, 355,941.88 and 144,733.58 is: 199,746.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,910.38 : 355,941.88 = 144,733.58 : x
  2. Step 2: Convert to fraction form
    257,910.38/355,941.88 = 144,733.58/x
  3. Step 3: Cross multiply
    257,910.38x = 355,941.88 × 144,733.58
  4. Step 4: Simplify right side
    257,910.38x = 51,516,742,564.33
  5. Step 5: Solve for x
    x = 51,516,742,564.33/257,910.38
  6. Step 6: Final answer
    x = 199,746.68

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1.5x scale

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.