Finding the Fourth Proportional to 664,617.96, 996,901.02 and 221,385.96
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Solution
The fourth proportional to 664,617.96, 996,901.02 and 221,385.96 is: 332,070.31
Step by Step Solution
- Step 1: Write the proportion equation
664,617.96 : 996,901.02 = 221,385.96 : x - Step 2: Convert to fraction form
664,617.96/996,901.02 = 221,385.96/x - Step 3: Cross multiply
664,617.96x = 996,901.02 × 221,385.96 - Step 4: Simplify right side
664,617.96x = 220,699,889,337.68 - Step 5: Solve for x
x = 220,699,889,337.68/664,617.96 - Step 6: Final answer
x = 332,070.31
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1.5x scale
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.