Finding the Fourth Proportional to 219,115.66, 328,722.74 and 69,364.93
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Solution
The fourth proportional to 219,115.66, 328,722.74 and 69,364.93 is: 104,062.99
Step by Step Solution
- Step 1: Write the proportion equation
219,115.66 : 328,722.74 = 69,364.93 : x - Step 2: Convert to fraction form
219,115.66/328,722.74 = 69,364.93/x - Step 3: Cross multiply
219,115.66x = 328,722.74 × 69,364.93 - Step 4: Simplify right side
219,115.66x = 22,801,829,849.51 - Step 5: Solve for x
x = 22,801,829,849.51/219,115.66 - Step 6: Final answer
x = 104,062.99
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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.