Home / 631,170.52-946,551.30-210,333.40

Finding the Fourth Proportional to 631,170.52, 946,551.30 and 210,333.40

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Solution

The fourth proportional to 631,170.52, 946,551.30 and 210,333.40 is: 315,431.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,170.52 : 946,551.30 = 210,333.40 : x
  2. Step 2: Convert to fraction form
    631,170.52/946,551.30 = 210,333.40/x
  3. Step 3: Cross multiply
    631,170.52x = 946,551.30 × 210,333.40
  4. Step 4: Simplify right side
    631,170.52x = 199,091,353,203.42
  5. Step 5: Solve for x
    x = 199,091,353,203.42/631,170.52
  6. Step 6: Final answer
    x = 315,431.96

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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.