Finding the Fourth Proportional to 493,425.79, 680,929.64 and 267,071.29
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Solution
The fourth proportional to 493,425.79, 680,929.64 and 267,071.29 is: 368,559.49
Step by Step Solution
- Step 1: Write the proportion equation
493,425.79 : 680,929.64 = 267,071.29 : x - Step 2: Convert to fraction form
493,425.79/680,929.64 = 267,071.29/x - Step 3: Cross multiply
493,425.79x = 680,929.64 × 267,071.29 - Step 4: Simplify right side
493,425.79x = 181,856,757,354.04 - Step 5: Solve for x
x = 181,856,757,354.04/493,425.79 - Step 6: Final answer
x = 368,559.49
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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.