Finding the Fourth Proportional to 219,405.17, 329,148.46 and 69,604.99
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Solution
The fourth proportional to 219,405.17, 329,148.46 and 69,604.99 is: 104,420.39
Step by Step Solution
- Step 1: Write the proportion equation
219,405.17 : 329,148.46 = 69,604.99 : x - Step 2: Convert to fraction form
219,405.17/329,148.46 = 69,604.99/x - Step 3: Cross multiply
219,405.17x = 329,148.46 × 69,604.99 - Step 4: Simplify right side
219,405.17x = 22,910,374,530.95 - Step 5: Solve for x
x = 22,910,374,530.95/219,405.17 - Step 6: Final answer
x = 104,420.39
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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.