Home / 360,985.08-498,002.96-217,665.50

Finding the Fourth Proportional to 360,985.08, 498,002.96 and 217,665.50

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Solution

The fourth proportional to 360,985.08, 498,002.96 and 217,665.50 is: 300,284.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,985.08 : 498,002.96 = 217,665.50 : x
  2. Step 2: Convert to fraction form
    360,985.08/498,002.96 = 217,665.50/x
  3. Step 3: Cross multiply
    360,985.08x = 498,002.96 × 217,665.50
  4. Step 4: Simplify right side
    360,985.08x = 108,398,063,289.88
  5. Step 5: Solve for x
    x = 108,398,063,289.88/360,985.08
  6. Step 6: Final answer
    x = 300,284.05

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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.