Finding the Fourth Proportional to 219,072.82, 328,526.60 and 76,874.08
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Solution
The fourth proportional to 219,072.82, 328,526.60 and 76,874.08 is: 115,282.12
Step by Step Solution
- Step 1: Write the proportion equation
219,072.82 : 328,526.60 = 76,874.08 : x - Step 2: Convert to fraction form
219,072.82/328,526.60 = 76,874.08/x - Step 3: Cross multiply
219,072.82x = 328,526.60 × 76,874.08 - Step 4: Simplify right side
219,072.82x = 25,255,180,130.53 - Step 5: Solve for x
x = 25,255,180,130.53/219,072.82 - Step 6: Final answer
x = 115,282.12
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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.