Home / 320,444.12-480,663.06-225,281.72

Finding the Fourth Proportional to 320,444.12, 480,663.06 and 225,281.72

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Solution

The fourth proportional to 320,444.12, 480,663.06 and 225,281.72 is: 337,920.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,444.12 : 480,663.06 = 225,281.72 : x
  2. Step 2: Convert to fraction form
    320,444.12/480,663.06 = 225,281.72/x
  3. Step 3: Cross multiply
    320,444.12x = 480,663.06 × 225,281.72
  4. Step 4: Simplify right side
    320,444.12x = 108,284,600,897.26
  5. Step 5: Solve for x
    x = 108,284,600,897.26/320,444.12
  6. Step 6: Final answer
    x = 337,920.39

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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.