Finding the Fourth Proportional to 219,127.05, 328,691.55 and 69,368.09
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Solution
The fourth proportional to 219,127.05, 328,691.55 and 69,368.09 is: 104,052.44
Step by Step Solution
- Step 1: Write the proportion equation
219,127.05 : 328,691.55 = 69,368.09 : x - Step 2: Convert to fraction form
219,127.05/328,691.55 = 69,368.09/x - Step 3: Cross multiply
219,127.05x = 328,691.55 × 69,368.09 - Step 4: Simplify right side
219,127.05x = 22,800,703,379.18 - Step 5: Solve for x
x = 22,800,703,379.18/219,127.05 - Step 6: Final answer
x = 104,052.44
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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.