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Finding the Fourth Proportional to 559,937.88, 840,074.40 and 180,918.18

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Solution

The fourth proportional to 559,937.88, 840,074.40 and 180,918.18 is: 271,431.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,937.88 : 840,074.40 = 180,918.18 : x
  2. Step 2: Convert to fraction form
    559,937.88/840,074.40 = 180,918.18/x
  3. Step 3: Cross multiply
    559,937.88x = 840,074.40 × 180,918.18
  4. Step 4: Simplify right side
    559,937.88x = 151,984,731,512.59
  5. Step 5: Solve for x
    x = 151,984,731,512.59/559,937.88
  6. Step 6: Final answer
    x = 271,431.42

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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.