Home / 343,128.33-514,708.92-165,784.50

Finding the Fourth Proportional to 343,128.33, 514,708.92 and 165,784.50

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Solution

The fourth proportional to 343,128.33, 514,708.92 and 165,784.50 is: 248,684.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,128.33 : 514,708.92 = 165,784.50 : x
  2. Step 2: Convert to fraction form
    343,128.33/514,708.92 = 165,784.50/x
  3. Step 3: Cross multiply
    343,128.33x = 514,708.92 × 165,784.50
  4. Step 4: Simplify right side
    343,128.33x = 85,330,760,947.74
  5. Step 5: Solve for x
    x = 85,330,760,947.74/343,128.33
  6. Step 6: Final answer
    x = 248,684.69

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.