Finding the Fourth Proportional to 219,237.68, 328,865.67 and 69,474.66
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Solution
The fourth proportional to 219,237.68, 328,865.67 and 69,474.66 is: 104,214.89
Step by Step Solution
- Step 1: Write the proportion equation
219,237.68 : 328,865.67 = 69,474.66 : x - Step 2: Convert to fraction form
219,237.68/328,865.67 = 69,474.66/x - Step 3: Cross multiply
219,237.68x = 328,865.67 × 69,474.66 - Step 4: Simplify right side
219,237.68x = 22,847,830,608.92 - Step 5: Solve for x
x = 22,847,830,608.92/219,237.68 - Step 6: Final answer
x = 104,214.89
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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.