Finding the Fourth Proportional to 342,760.70, 514,135.55 and 93,442.70
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Solution
The fourth proportional to 342,760.70, 514,135.55 and 93,442.70 is: 140,162.55
Step by Step Solution
- Step 1: Write the proportion equation
342,760.70 : 514,135.55 = 93,442.70 : x - Step 2: Convert to fraction form
342,760.70/514,135.55 = 93,442.70/x - Step 3: Cross multiply
342,760.70x = 514,135.55 × 93,442.70 - Step 4: Simplify right side
342,760.70x = 48,042,215,476.93 - Step 5: Solve for x
x = 48,042,215,476.93/342,760.70 - Step 6: Final answer
x = 140,162.55
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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.