Finding the Fourth Proportional to 106,404.18, 159,593.28 and 27,511.80
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Solution
The fourth proportional to 106,404.18, 159,593.28 and 27,511.80 is: 41,264.34
Step by Step Solution
- Step 1: Write the proportion equation
106,404.18 : 159,593.28 = 27,511.80 : x - Step 2: Convert to fraction form
106,404.18/159,593.28 = 27,511.80/x - Step 3: Cross multiply
106,404.18x = 159,593.28 × 27,511.80 - Step 4: Simplify right side
106,404.18x = 4,390,698,400.70 - Step 5: Solve for x
x = 4,390,698,400.70/106,404.18 - Step 6: Final answer
x = 41,264.34
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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.