Home / 320,187.24-480,280.86-120,552.41

Finding the Fourth Proportional to 320,187.24, 480,280.86 and 120,552.41

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Solution

The fourth proportional to 320,187.24, 480,280.86 and 120,552.41 is: 180,828.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,187.24 : 480,280.86 = 120,552.41 : x
  2. Step 2: Convert to fraction form
    320,187.24/480,280.86 = 120,552.41/x
  3. Step 3: Cross multiply
    320,187.24x = 480,280.86 × 120,552.41
  4. Step 4: Simplify right side
    320,187.24x = 57,899,014,547.11
  5. Step 5: Solve for x
    x = 57,899,014,547.11/320,187.24
  6. Step 6: Final answer
    x = 180,828.61

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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.