Finding the Fourth Proportional to 247,935.70, 372,292.35 and 142,959.70
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Solution
The fourth proportional to 247,935.70, 372,292.35 and 142,959.70 is: 214,663.73
Step by Step Solution
- Step 1: Write the proportion equation
247,935.70 : 372,292.35 = 142,959.70 : x - Step 2: Convert to fraction form
247,935.70/372,292.35 = 142,959.70/x - Step 3: Cross multiply
247,935.70x = 372,292.35 × 142,959.70 - Step 4: Simplify right side
247,935.70x = 53,222,802,668.30 - Step 5: Solve for x
x = 53,222,802,668.30/247,935.70 - Step 6: Final answer
x = 214,663.73
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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.