Finding the Fourth Proportional to 218,900.85, 328,172.99 and 146,927.99
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Solution
The fourth proportional to 218,900.85, 328,172.99 and 146,927.99 is: 220,272.31
Step by Step Solution
- Step 1: Write the proportion equation
218,900.85 : 328,172.99 = 146,927.99 : x - Step 2: Convert to fraction form
218,900.85/328,172.99 = 146,927.99/x - Step 3: Cross multiply
218,900.85x = 328,172.99 × 146,927.99 - Step 4: Simplify right side
218,900.85x = 48,217,795,417.49 - Step 5: Solve for x
x = 48,217,795,417.49/218,900.85 - Step 6: Final answer
x = 220,272.31
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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.