Finding the Fourth Proportional to 291,894.12, 437,841.18 and 225,431.19
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Solution
The fourth proportional to 291,894.12, 437,841.18 and 225,431.19 is: 338,146.79
Step by Step Solution
- Step 1: Write the proportion equation
291,894.12 : 437,841.18 = 225,431.19 : x - Step 2: Convert to fraction form
291,894.12/437,841.18 = 225,431.19/x - Step 3: Cross multiply
291,894.12x = 437,841.18 × 225,431.19 - Step 4: Simplify right side
291,894.12x = 98,703,058,238.40 - Step 5: Solve for x
x = 98,703,058,238.40/291,894.12 - Step 6: Final answer
x = 338,146.79
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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.