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Finding the Fourth Proportional to 559,785.60, 839,697.84 and 180,705.60

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Solution

The fourth proportional to 559,785.60, 839,697.84 and 180,705.60 is: 271,064.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,785.60 : 839,697.84 = 180,705.60 : x
  2. Step 2: Convert to fraction form
    559,785.60/839,697.84 = 180,705.60/x
  3. Step 3: Cross multiply
    559,785.60x = 839,697.84 × 180,705.60
  4. Step 4: Simplify right side
    559,785.60x = 151,738,101,995.90
  5. Step 5: Solve for x
    x = 151,738,101,995.90/559,785.60
  6. Step 6: Final answer
    x = 271,064.68

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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.