Home / 320,054.08-480,021.72-117,605.92

Finding the Fourth Proportional to 320,054.08, 480,021.72 and 117,605.92

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Solution

The fourth proportional to 320,054.08, 480,021.72 and 117,605.92 is: 176,387.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,054.08 : 480,021.72 = 117,605.92 : x
  2. Step 2: Convert to fraction form
    320,054.08/480,021.72 = 117,605.92/x
  3. Step 3: Cross multiply
    320,054.08x = 480,021.72 × 117,605.92
  4. Step 4: Simplify right side
    320,054.08x = 56,453,396,000.58
  5. Step 5: Solve for x
    x = 56,453,396,000.58/320,054.08
  6. Step 6: Final answer
    x = 176,387.05

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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.