Finding the Fourth Proportional to 493,930.44, 681,623.98 and 267,575.94
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Solution
The fourth proportional to 493,930.44, 681,623.98 and 267,575.94 is: 369,254.78
Step by Step Solution
- Step 1: Write the proportion equation
493,930.44 : 681,623.98 = 267,575.94 : x - Step 2: Convert to fraction form
493,930.44/681,623.98 = 267,575.94/x - Step 3: Cross multiply
493,930.44x = 681,623.98 × 267,575.94 - Step 4: Simplify right side
493,930.44x = 182,386,176,506.10 - Step 5: Solve for x
x = 182,386,176,506.10/493,930.44 - Step 6: Final answer
x = 369,254.78
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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.