Finding the Fourth Proportional to 319,534.30, 440,957.37 and 176,294.68
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Solution
The fourth proportional to 319,534.30, 440,957.37 and 176,294.68 is: 243,286.68
Step by Step Solution
- Step 1: Write the proportion equation
319,534.30 : 440,957.37 = 176,294.68 : x - Step 2: Convert to fraction form
319,534.30/440,957.37 = 176,294.68/x - Step 3: Cross multiply
319,534.30x = 440,957.37 × 176,294.68 - Step 4: Simplify right side
319,534.30x = 77,738,438,437.79 - Step 5: Solve for x
x = 77,738,438,437.79/319,534.30 - Step 6: Final answer
x = 243,286.68
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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.