Home / 287,376.34-396,579.08-166,587.58

Finding the Fourth Proportional to 287,376.34, 396,579.08 and 166,587.58

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Solution

The fourth proportional to 287,376.34, 396,579.08 and 166,587.58 is: 229,890.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,376.34 : 396,579.08 = 166,587.58 : x
  2. Step 2: Convert to fraction form
    287,376.34/396,579.08 = 166,587.58/x
  3. Step 3: Cross multiply
    287,376.34x = 396,579.08 × 166,587.58
  4. Step 4: Simplify right side
    287,376.34x = 66,065,149,215.83
  5. Step 5: Solve for x
    x = 66,065,149,215.83/287,376.34
  6. Step 6: Final answer
    x = 229,890.70

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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.