Home / 287,537.19-396,802.90-166,750.09

Finding the Fourth Proportional to 287,537.19, 396,802.90 and 166,750.09

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Solution

The fourth proportional to 287,537.19, 396,802.90 and 166,750.09 is: 230,116.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,537.19 : 396,802.90 = 166,750.09 : x
  2. Step 2: Convert to fraction form
    287,537.19/396,802.90 = 166,750.09/x
  3. Step 3: Cross multiply
    287,537.19x = 396,802.90 × 166,750.09
  4. Step 4: Simplify right side
    287,537.19x = 66,166,920,735.71
  5. Step 5: Solve for x
    x = 66,166,920,735.71/287,537.19
  6. Step 6: Final answer
    x = 230,116.04

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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.