Finding the Fourth Proportional to 218,903.85, 328,177.49 and 146,930.99
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Solution
The fourth proportional to 218,903.85, 328,177.49 and 146,930.99 is: 220,276.81
Step by Step Solution
- Step 1: Write the proportion equation
218,903.85 : 328,177.49 = 146,930.99 : x - Step 2: Convert to fraction form
218,903.85/328,177.49 = 146,930.99/x - Step 3: Cross multiply
218,903.85x = 328,177.49 × 146,930.99 - Step 4: Simplify right side
218,903.85x = 48,219,441,125.87 - Step 5: Solve for x
x = 48,219,441,125.87/218,903.85 - Step 6: Final answer
x = 220,276.81
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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.