Home / 320,460.24-480,723.32-120,948.60

Finding the Fourth Proportional to 320,460.24, 480,723.32 and 120,948.60

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Solution

The fourth proportional to 320,460.24, 480,723.32 and 120,948.60 is: 181,435.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,460.24 : 480,723.32 = 120,948.60 : x
  2. Step 2: Convert to fraction form
    320,460.24/480,723.32 = 120,948.60/x
  3. Step 3: Cross multiply
    320,460.24x = 480,723.32 × 120,948.60
  4. Step 4: Simplify right side
    320,460.24x = 58,142,812,541.35
  5. Step 5: Solve for x
    x = 58,142,812,541.35/320,460.24
  6. Step 6: Final answer
    x = 181,435.34

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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.