Finding the Fourth Proportional to 234,353.84, 351,531.26 and 84,699.78
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Solution
The fourth proportional to 234,353.84, 351,531.26 and 84,699.78 is: 127,049.85
Step by Step Solution
- Step 1: Write the proportion equation
234,353.84 : 351,531.26 = 84,699.78 : x - Step 2: Convert to fraction form
234,353.84/351,531.26 = 84,699.78/x - Step 3: Cross multiply
234,353.84x = 351,531.26 × 84,699.78 - Step 4: Simplify right side
234,353.84x = 29,774,620,385.12 - Step 5: Solve for x
x = 29,774,620,385.12/234,353.84 - Step 6: Final answer
x = 127,049.85
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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.