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Finding the Fourth Proportional to 637,852.83, 956,755.32 and 158,082.21

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Solution

The fourth proportional to 637,852.83, 956,755.32 and 158,082.21 is: 237,117.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,852.83 : 956,755.32 = 158,082.21 : x
  2. Step 2: Convert to fraction form
    637,852.83/956,755.32 = 158,082.21/x
  3. Step 3: Cross multiply
    637,852.83x = 956,755.32 × 158,082.21
  4. Step 4: Simplify right side
    637,852.83x = 151,245,992,575.78
  5. Step 5: Solve for x
    x = 151,245,992,575.78/637,852.83
  6. Step 6: Final answer
    x = 237,117.38

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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.