Home / 286,030.80-394,725.60-158,708.52

Finding the Fourth Proportional to 286,030.80, 394,725.60 and 158,708.52

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Solution

The fourth proportional to 286,030.80, 394,725.60 and 158,708.52 is: 219,019.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,030.80 : 394,725.60 = 158,708.52 : x
  2. Step 2: Convert to fraction form
    286,030.80/394,725.60 = 158,708.52/x
  3. Step 3: Cross multiply
    286,030.80x = 394,725.60 × 158,708.52
  4. Step 4: Simplify right side
    286,030.80x = 62,646,315,782.11
  5. Step 5: Solve for x
    x = 62,646,315,782.11/286,030.80
  6. Step 6: Final answer
    x = 219,019.48

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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.