Home / 286,261.40-395,053.06-158,937

Finding the Fourth Proportional to 286,261.40, 395,053.06 and 158,937

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Solution

The fourth proportional to 286,261.40, 395,053.06 and 158,937 is: 219,339.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,261.40 : 395,053.06 = 158,937 : x
  2. Step 2: Convert to fraction form
    286,261.40/395,053.06 = 158,937/x
  3. Step 3: Cross multiply
    286,261.40x = 395,053.06 × 158,937
  4. Step 4: Simplify right side
    286,261.40x = 62,788,548,197.22
  5. Step 5: Solve for x
    x = 62,788,548,197.22/286,261.40
  6. Step 6: Final answer
    x = 219,339.90

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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.