Home / 631,166.52-946,545.30-210,329.40

Finding the Fourth Proportional to 631,166.52, 946,545.30 and 210,329.40

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Solution

The fourth proportional to 631,166.52, 946,545.30 and 210,329.40 is: 315,425.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,166.52 : 946,545.30 = 210,329.40 : x
  2. Step 2: Convert to fraction form
    631,166.52/946,545.30 = 210,329.40/x
  3. Step 3: Cross multiply
    631,166.52x = 946,545.30 × 210,329.40
  4. Step 4: Simplify right side
    631,166.52x = 199,086,305,021.82
  5. Step 5: Solve for x
    x = 199,086,305,021.82/631,166.52
  6. Step 6: Final answer
    x = 315,425.96

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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.