Home / 286,639.70-395,498.50-173,460.02

Finding the Fourth Proportional to 286,639.70, 395,498.50 and 173,460.02

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Solution

The fourth proportional to 286,639.70, 395,498.50 and 173,460.02 is: 239,335.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,639.70 : 395,498.50 = 173,460.02 : x
  2. Step 2: Convert to fraction form
    286,639.70/395,498.50 = 173,460.02/x
  3. Step 3: Cross multiply
    286,639.70x = 395,498.50 × 173,460.02
  4. Step 4: Simplify right side
    286,639.70x = 68,603,175,308.83
  5. Step 5: Solve for x
    x = 68,603,175,308.83/286,639.70
  6. Step 6: Final answer
    x = 239,335.92

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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.