Home / 257,026.60-354,696.66-143,849.35

Finding the Fourth Proportional to 257,026.60, 354,696.66 and 143,849.35

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Solution

The fourth proportional to 257,026.60, 354,696.66 and 143,849.35 is: 198,512.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,026.60 : 354,696.66 = 143,849.35 : x
  2. Step 2: Convert to fraction form
    257,026.60/354,696.66 = 143,849.35/x
  3. Step 3: Cross multiply
    257,026.60x = 354,696.66 × 143,849.35
  4. Step 4: Simplify right side
    257,026.60x = 51,022,883,988.17
  5. Step 5: Solve for x
    x = 51,022,883,988.17/257,026.60
  6. Step 6: Final answer
    x = 198,512.08

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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.