Finding the Fourth Proportional to 229,643.08, 344,462.18 and 71,872.90
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Solution
The fourth proportional to 229,643.08, 344,462.18 and 71,872.90 is: 107,808.59
Step by Step Solution
- Step 1: Write the proportion equation
229,643.08 : 344,462.18 = 71,872.90 : x - Step 2: Convert to fraction form
229,643.08/344,462.18 = 71,872.90/x - Step 3: Cross multiply
229,643.08x = 344,462.18 × 71,872.90 - Step 4: Simplify right side
229,643.08x = 24,757,495,816.92 - Step 5: Solve for x
x = 24,757,495,816.92/229,643.08 - Step 6: Final answer
x = 107,808.59
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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.