Finding the Fourth Proportional to 303,005.16, 418,176.68 and 226,391.31
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Solution
The fourth proportional to 303,005.16, 418,176.68 and 226,391.31 is: 312,442.09
Step by Step Solution
- Step 1: Write the proportion equation
303,005.16 : 418,176.68 = 226,391.31 : x - Step 2: Convert to fraction form
303,005.16/418,176.68 = 226,391.31/x - Step 3: Cross multiply
303,005.16x = 418,176.68 × 226,391.31 - Step 4: Simplify right side
303,005.16x = 94,671,565,264.69 - Step 5: Solve for x
x = 94,671,565,264.69/303,005.16 - Step 6: Final answer
x = 312,442.09
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.