Home / 287,426.48-396,648.24-166,637.84

Finding the Fourth Proportional to 287,426.48, 396,648.24 and 166,637.84

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Solution

The fourth proportional to 287,426.48, 396,648.24 and 166,637.84 is: 229,960.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,426.48 : 396,648.24 = 166,637.84 : x
  2. Step 2: Convert to fraction form
    287,426.48/396,648.24 = 166,637.84/x
  3. Step 3: Cross multiply
    287,426.48x = 396,648.24 × 166,637.84
  4. Step 4: Simplify right side
    287,426.48x = 66,096,605,953.40
  5. Step 5: Solve for x
    x = 66,096,605,953.40/287,426.48
  6. Step 6: Final answer
    x = 229,960.04

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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.