Finding the Fourth Proportional to 219,204.97, 328,822.30 and 77,032.96
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Solution
The fourth proportional to 219,204.97, 328,822.30 and 77,032.96 is: 115,554.65
Step by Step Solution
- Step 1: Write the proportion equation
219,204.97 : 328,822.30 = 77,032.96 : x - Step 2: Convert to fraction form
219,204.97/328,822.30 = 77,032.96/x - Step 3: Cross multiply
219,204.97x = 328,822.30 × 77,032.96 - Step 4: Simplify right side
219,204.97x = 25,330,154,357.24 - Step 5: Solve for x
x = 25,330,154,357.24/219,204.97 - Step 6: Final answer
x = 115,554.65
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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.