Home / 326,015.20-488,439.60-201,210.40

Finding the Fourth Proportional to 326,015.20, 488,439.60 and 201,210.40

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Solution

The fourth proportional to 326,015.20, 488,439.60 and 201,210.40 is: 301,455.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,015.20 : 488,439.60 = 201,210.40 : x
  2. Step 2: Convert to fraction form
    326,015.20/488,439.60 = 201,210.40/x
  3. Step 3: Cross multiply
    326,015.20x = 488,439.60 × 201,210.40
  4. Step 4: Simplify right side
    326,015.20x = 98,279,127,291.84
  5. Step 5: Solve for x
    x = 98,279,127,291.84/326,015.20
  6. Step 6: Final answer
    x = 301,455.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.