Home / 320,546.13-480,671.55-180,304.74

Finding the Fourth Proportional to 320,546.13, 480,671.55 and 180,304.74

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Solution

The fourth proportional to 320,546.13, 480,671.55 and 180,304.74 is: 270,374.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,546.13 : 480,671.55 = 180,304.74 : x
  2. Step 2: Convert to fraction form
    320,546.13/480,671.55 = 180,304.74/x
  3. Step 3: Cross multiply
    320,546.13x = 480,671.55 × 180,304.74
  4. Step 4: Simplify right side
    320,546.13x = 86,667,358,848.15
  5. Step 5: Solve for x
    x = 86,667,358,848.15/320,546.13
  6. Step 6: Final answer
    x = 270,374.06

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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.