Finding the Fourth Proportional to 303,854.46, 418,963.42 and 207,115.58
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Solution
The fourth proportional to 303,854.46, 418,963.42 and 207,115.58 is: 285,577.02
Step by Step Solution
- Step 1: Write the proportion equation
303,854.46 : 418,963.42 = 207,115.58 : x - Step 2: Convert to fraction form
303,854.46/418,963.42 = 207,115.58/x - Step 3: Cross multiply
303,854.46x = 418,963.42 × 207,115.58 - Step 4: Simplify right side
303,854.46x = 86,773,851,732.08 - Step 5: Solve for x
x = 86,773,851,732.08/303,854.46 - Step 6: Final answer
x = 285,577.02
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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.