Finding the Fourth Proportional to 865,625.10, 1,298,511.45 and 226,013.70
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Solution
The fourth proportional to 865,625.10, 1,298,511.45 and 226,013.70 is: 339,039.82
Step by Step Solution
- Step 1: Write the proportion equation
865,625.10 : 1,298,511.45 = 226,013.70 : x - Step 2: Convert to fraction form
865,625.10/1,298,511.45 = 226,013.70/x - Step 3: Cross multiply
865,625.10x = 1,298,511.45 × 226,013.70 - Step 4: Simplify right side
865,625.10x = 293,481,377,306.87 - Step 5: Solve for x
x = 293,481,377,306.87/865,625.10 - Step 6: Final answer
x = 339,039.82
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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.