Finding the Fourth Proportional to 155,254.12, 232,713.80 and 75,122.84
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Solution
The fourth proportional to 155,254.12, 232,713.80 and 75,122.84 is: 112,603.27
Step by Step Solution
- Step 1: Write the proportion equation
155,254.12 : 232,713.80 = 75,122.84 : x - Step 2: Convert to fraction form
155,254.12/232,713.80 = 75,122.84/x - Step 3: Cross multiply
155,254.12x = 232,713.80 × 75,122.84 - Step 4: Simplify right side
155,254.12x = 17,482,121,563.19 - Step 5: Solve for x
x = 17,482,121,563.19/155,254.12 - Step 6: Final answer
x = 112,603.27
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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.