Home / 326,875.20-490,303.04-90,232.32

Finding the Fourth Proportional to 326,875.20, 490,303.04 and 90,232.32

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Solution

The fourth proportional to 326,875.20, 490,303.04 and 90,232.32 is: 135,345.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,875.20 : 490,303.04 = 90,232.32 : x
  2. Step 2: Convert to fraction form
    326,875.20/490,303.04 = 90,232.32/x
  3. Step 3: Cross multiply
    326,875.20x = 490,303.04 × 90,232.32
  4. Step 4: Simplify right side
    326,875.20x = 44,241,180,802.25
  5. Step 5: Solve for x
    x = 44,241,180,802.25/326,875.20
  6. Step 6: Final answer
    x = 135,345.79

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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.