Finding the Fourth Proportional to 109,553.13, 164,329.70 and 26,447.13
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Solution
The fourth proportional to 109,553.13, 164,329.70 and 26,447.13 is: 39,670.70
Step by Step Solution
- Step 1: Write the proportion equation
109,553.13 : 164,329.70 = 26,447.13 : x - Step 2: Convert to fraction form
109,553.13/164,329.70 = 26,447.13/x - Step 3: Cross multiply
109,553.13x = 164,329.70 × 26,447.13 - Step 4: Simplify right side
109,553.13x = 4,346,048,938.76 - Step 5: Solve for x
x = 4,346,048,938.76/109,553.13 - Step 6: Final answer
x = 39,670.70
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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.