Finding the Fourth Proportional to 247,604.13, 370,314.59 and 215,548.18
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Solution
The fourth proportional to 247,604.13, 370,314.59 and 215,548.18 is: 322,371.98
Step by Step Solution
- Step 1: Write the proportion equation
247,604.13 : 370,314.59 = 215,548.18 : x - Step 2: Convert to fraction form
247,604.13/370,314.59 = 215,548.18/x - Step 3: Cross multiply
247,604.13x = 370,314.59 × 215,548.18 - Step 4: Simplify right side
247,604.13x = 79,820,633,898.42 - Step 5: Solve for x
x = 79,820,633,898.42/247,604.13 - Step 6: Final answer
x = 322,371.98
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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.