Home / 631,174.52-946,557.30-210,337.40

Finding the Fourth Proportional to 631,174.52, 946,557.30 and 210,337.40

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Solution

The fourth proportional to 631,174.52, 946,557.30 and 210,337.40 is: 315,437.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,174.52 : 946,557.30 = 210,337.40 : x
  2. Step 2: Convert to fraction form
    631,174.52/946,557.30 = 210,337.40/x
  3. Step 3: Cross multiply
    631,174.52x = 946,557.30 × 210,337.40
  4. Step 4: Simplify right side
    631,174.52x = 199,096,401,433.02
  5. Step 5: Solve for x
    x = 199,096,401,433.02/631,174.52
  6. Step 6: Final answer
    x = 315,437.96

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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.