Home / 486,018.40-729,027.60-131,068.30

Finding the Fourth Proportional to 486,018.40, 729,027.60 and 131,068.30

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Solution

The fourth proportional to 486,018.40, 729,027.60 and 131,068.30 is: 196,602.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,018.40 : 729,027.60 = 131,068.30 : x
  2. Step 2: Convert to fraction form
    486,018.40/729,027.60 = 131,068.30/x
  3. Step 3: Cross multiply
    486,018.40x = 729,027.60 × 131,068.30
  4. Step 4: Simplify right side
    486,018.40x = 95,552,408,185.08
  5. Step 5: Solve for x
    x = 95,552,408,185.08/486,018.40
  6. Step 6: Final answer
    x = 196,602.45

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Similar ratio
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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.