Finding the Fourth Proportional to 266,403.04, 399,604.80 and 79,409.92
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Solution
The fourth proportional to 266,403.04, 399,604.80 and 79,409.92 is: 119,114.95
Step by Step Solution
- Step 1: Write the proportion equation
266,403.04 : 399,604.80 = 79,409.92 : x - Step 2: Convert to fraction form
266,403.04/399,604.80 = 79,409.92/x - Step 3: Cross multiply
266,403.04x = 399,604.80 × 79,409.92 - Step 4: Simplify right side
266,403.04x = 31,732,585,199.62 - Step 5: Solve for x
x = 31,732,585,199.62/266,403.04 - Step 6: Final answer
x = 119,114.95
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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.