Home / 282,276.12-422,860.57-163,698.34

Finding the Fourth Proportional to 282,276.12, 422,860.57 and 163,698.34

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Solution

The fourth proportional to 282,276.12, 422,860.57 and 163,698.34 is: 245,226.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,276.12 : 422,860.57 = 163,698.34 : x
  2. Step 2: Convert to fraction form
    282,276.12/422,860.57 = 163,698.34/x
  3. Step 3: Cross multiply
    282,276.12x = 422,860.57 × 163,698.34
  4. Step 4: Simplify right side
    282,276.12x = 69,221,573,360.45
  5. Step 5: Solve for x
    x = 69,221,573,360.45/282,276.12
  6. Step 6: Final answer
    x = 245,226.46

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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.