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Finding the Fourth Proportional to 637,728.06, 956,647.17 and 164,409.42

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Solution

The fourth proportional to 637,728.06, 956,647.17 and 164,409.42 is: 246,628.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,728.06 : 956,647.17 = 164,409.42 : x
  2. Step 2: Convert to fraction form
    637,728.06/956,647.17 = 164,409.42/x
  3. Step 3: Cross multiply
    637,728.06x = 956,647.17 × 164,409.42
  4. Step 4: Simplify right side
    637,728.06x = 157,281,806,364.34
  5. Step 5: Solve for x
    x = 157,281,806,364.34/637,728.06
  6. Step 6: Final answer
    x = 246,628.33

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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.