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Finding the Fourth Proportional to 559,682.32, 839,643 and 180,624.64

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Solution

The fourth proportional to 559,682.32, 839,643 and 180,624.64 is: 270,975.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,682.32 : 839,643 = 180,624.64 : x
  2. Step 2: Convert to fraction form
    559,682.32/839,643 = 180,624.64/x
  3. Step 3: Cross multiply
    559,682.32x = 839,643 × 180,624.64
  4. Step 4: Simplify right side
    559,682.32x = 151,660,214,603.52
  5. Step 5: Solve for x
    x = 151,660,214,603.52/559,682.32
  6. Step 6: Final answer
    x = 270,975.53

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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.