Home / 287,200.08-396,291.60-166,353.12

Finding the Fourth Proportional to 287,200.08, 396,291.60 and 166,353.12

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Solution

The fourth proportional to 287,200.08, 396,291.60 and 166,353.12 is: 229,541.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,200.08 : 396,291.60 = 166,353.12 : x
  2. Step 2: Convert to fraction form
    287,200.08/396,291.60 = 166,353.12/x
  3. Step 3: Cross multiply
    287,200.08x = 396,291.60 × 166,353.12
  4. Step 4: Simplify right side
    287,200.08x = 65,924,344,089.79
  5. Step 5: Solve for x
    x = 65,924,344,089.79/287,200.08
  6. Step 6: Final answer
    x = 229,541.52

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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.