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Finding the Fourth Proportional to 637,969.40, 956,922.26 and 238,580.80

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Solution

The fourth proportional to 637,969.40, 956,922.26 and 238,580.80 is: 357,859.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,969.40 : 956,922.26 = 238,580.80 : x
  2. Step 2: Convert to fraction form
    637,969.40/956,922.26 = 238,580.80/x
  3. Step 3: Cross multiply
    637,969.40x = 956,922.26 × 238,580.80
  4. Step 4: Simplify right side
    637,969.40x = 228,303,278,328.61
  5. Step 5: Solve for x
    x = 228,303,278,328.61/637,969.40
  6. Step 6: Final answer
    x = 357,859.29

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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.