Finding the Fourth Proportional to 304,957.65, 420,593.00 and 214,612.95
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Solution
The fourth proportional to 304,957.65, 420,593.00 and 214,612.95 is: 295,990.95
Step by Step Solution
- Step 1: Write the proportion equation
304,957.65 : 420,593.00 = 214,612.95 : x - Step 2: Convert to fraction form
304,957.65/420,593.00 = 214,612.95/x - Step 3: Cross multiply
304,957.65x = 420,593.00 × 214,612.95 - Step 4: Simplify right side
304,957.65x = 90,264,703,406.29 - Step 5: Solve for x
x = 90,264,703,406.29/304,957.65 - Step 6: Final answer
x = 295,990.95
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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.