Finding the Fourth Proportional to 103,470.13, 155,075.34 and 44,236.18
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Solution
The fourth proportional to 103,470.13, 155,075.34 and 44,236.18 is: 66,298.75
Step by Step Solution
- Step 1: Write the proportion equation
103,470.13 : 155,075.34 = 44,236.18 : x - Step 2: Convert to fraction form
103,470.13/155,075.34 = 44,236.18/x - Step 3: Cross multiply
103,470.13x = 155,075.34 × 44,236.18 - Step 4: Simplify right side
103,470.13x = 6,859,939,878.42 - Step 5: Solve for x
x = 6,859,939,878.42/103,470.13 - Step 6: Final answer
x = 66,298.75
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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.