Home / 379,110.60-568,746.09-142,455.33

Finding the Fourth Proportional to 379,110.60, 568,746.09 and 142,455.33

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Solution

The fourth proportional to 379,110.60, 568,746.09 and 142,455.33 is: 213,713.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,110.60 : 568,746.09 = 142,455.33 : x
  2. Step 2: Convert to fraction form
    379,110.60/568,746.09 = 142,455.33/x
  3. Step 3: Cross multiply
    379,110.60x = 568,746.09 × 142,455.33
  4. Step 4: Simplify right side
    379,110.60x = 81,020,911,937.16
  5. Step 5: Solve for x
    x = 81,020,911,937.16/379,110.60
  6. Step 6: Final answer
    x = 213,713.13

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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.