Finding the Fourth Proportional to 165,470.40, 248,218.08 and 51,603.84
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Solution
The fourth proportional to 165,470.40, 248,218.08 and 51,603.84 is: 77,409.65
Step by Step Solution
- Step 1: Write the proportion equation
165,470.40 : 248,218.08 = 51,603.84 : x - Step 2: Convert to fraction form
165,470.40/248,218.08 = 51,603.84/x - Step 3: Cross multiply
165,470.40x = 248,218.08 × 51,603.84 - Step 4: Simplify right side
165,470.40x = 12,809,006,085.43 - Step 5: Solve for x
x = 12,809,006,085.43/165,470.40 - Step 6: Final answer
x = 77,409.65
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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.