Home / 219,830.51-303,366.11-124,335.15

Finding the Fourth Proportional to 219,830.51, 303,366.11 and 124,335.15

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Solution

The fourth proportional to 219,830.51, 303,366.11 and 124,335.15 is: 171,582.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,830.51 : 303,366.11 = 124,335.15 : x
  2. Step 2: Convert to fraction form
    219,830.51/303,366.11 = 124,335.15/x
  3. Step 3: Cross multiply
    219,830.51x = 303,366.11 × 124,335.15
  4. Step 4: Simplify right side
    219,830.51x = 37,719,070,170.09
  5. Step 5: Solve for x
    x = 37,719,070,170.09/219,830.51
  6. Step 6: Final answer
    x = 171,582.51

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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.