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Finding the Fourth Proportional to 636,671.44, 954,903.35 and 187,287.21

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Solution

The fourth proportional to 636,671.44, 954,903.35 and 187,287.21 is: 280,900.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,671.44 : 954,903.35 = 187,287.21 : x
  2. Step 2: Convert to fraction form
    636,671.44/954,903.35 = 187,287.21/x
  3. Step 3: Cross multiply
    636,671.44x = 954,903.35 × 187,287.21
  4. Step 4: Simplify right side
    636,671.44x = 178,841,184,241.15
  5. Step 5: Solve for x
    x = 178,841,184,241.15/636,671.44
  6. Step 6: Final answer
    x = 280,900.28

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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.