Finding the Fourth Proportional to 356,866.31, 535,129.97 and 207,152.49
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Solution
The fourth proportional to 356,866.31, 535,129.97 and 207,152.49 is: 310,630.35
Step by Step Solution
- Step 1: Write the proportion equation
356,866.31 : 535,129.97 = 207,152.49 : x - Step 2: Convert to fraction form
356,866.31/535,129.97 = 207,152.49/x - Step 3: Cross multiply
356,866.31x = 535,129.97 × 207,152.49 - Step 4: Simplify right side
356,866.31x = 110,853,504,723.36 - Step 5: Solve for x
x = 110,853,504,723.36/356,866.31 - Step 6: Final answer
x = 310,630.35
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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.