Finding the Fourth Proportional to 334,743.26, 502,114.62 and 85,425.26
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Solution
The fourth proportional to 334,743.26, 502,114.62 and 85,425.26 is: 128,137.82
Step by Step Solution
- Step 1: Write the proportion equation
334,743.26 : 502,114.62 = 85,425.26 : x - Step 2: Convert to fraction form
334,743.26/502,114.62 = 85,425.26/x - Step 3: Cross multiply
334,743.26x = 502,114.62 × 85,425.26 - Step 4: Simplify right side
334,743.26x = 42,893,271,963.30 - Step 5: Solve for x
x = 42,893,271,963.30/334,743.26 - Step 6: Final answer
x = 128,137.82
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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.