Finding the Fourth Proportional to 396,355.97, 547,113.08 and 235,211.00
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Solution
The fourth proportional to 396,355.97, 547,113.08 and 235,211.00 is: 324,675.35
Step by Step Solution
- Step 1: Write the proportion equation
396,355.97 : 547,113.08 = 235,211.00 : x - Step 2: Convert to fraction form
396,355.97/547,113.08 = 235,211.00/x - Step 3: Cross multiply
396,355.97x = 547,113.08 × 235,211.00 - Step 4: Simplify right side
396,355.97x = 128,687,012,512.34 - Step 5: Solve for x
x = 128,687,012,512.34/396,355.97 - Step 6: Final answer
x = 324,675.35
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.