Home / 287,877.54-397,142.58-166,948.83

Finding the Fourth Proportional to 287,877.54, 397,142.58 and 166,948.83

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Solution

The fourth proportional to 287,877.54, 397,142.58 and 166,948.83 is: 230,314.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,877.54 : 397,142.58 = 166,948.83 : x
  2. Step 2: Convert to fraction form
    287,877.54/397,142.58 = 166,948.83/x
  3. Step 3: Cross multiply
    287,877.54x = 397,142.58 × 166,948.83
  4. Step 4: Simplify right side
    287,877.54x = 66,302,489,074.18
  5. Step 5: Solve for x
    x = 66,302,489,074.18/287,877.54
  6. Step 6: Final answer
    x = 230,314.91

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1.5x scale

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.