Home / 632,808.10-949,212.15-212,097.70

Finding the Fourth Proportional to 632,808.10, 949,212.15 and 212,097.70

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Solution

The fourth proportional to 632,808.10, 949,212.15 and 212,097.70 is: 318,146.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    632,808.10 : 949,212.15 = 212,097.70 : x
  2. Step 2: Convert to fraction form
    632,808.10/949,212.15 = 212,097.70/x
  3. Step 3: Cross multiply
    632,808.10x = 949,212.15 × 212,097.70
  4. Step 4: Simplify right side
    632,808.10x = 201,325,713,827.06
  5. Step 5: Solve for x
    x = 201,325,713,827.06/632,808.10
  6. Step 6: Final answer
    x = 318,146.55

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Similar ratio
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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.