Finding the Fourth Proportional to 219,241.62, 328,871.61 and 69,478.62
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Solution
The fourth proportional to 219,241.62, 328,871.61 and 69,478.62 is: 104,220.84
Step by Step Solution
- Step 1: Write the proportion equation
219,241.62 : 328,871.61 = 69,478.62 : x - Step 2: Convert to fraction form
219,241.62/328,871.61 = 69,478.62/x - Step 3: Cross multiply
219,241.62x = 328,871.61 × 69,478.62 - Step 4: Simplify right side
219,241.62x = 22,849,545,619.98 - Step 5: Solve for x
x = 22,849,545,619.98/219,241.62 - Step 6: Final answer
x = 104,220.84
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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.