Finding the Fourth Proportional to 319,296.96, 440,632.80 and 176,062.14
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Solution
The fourth proportional to 319,296.96, 440,632.80 and 176,062.14 is: 242,967.40
Step by Step Solution
- Step 1: Write the proportion equation
319,296.96 : 440,632.80 = 176,062.14 : x - Step 2: Convert to fraction form
319,296.96/440,632.80 = 176,062.14/x - Step 3: Cross multiply
319,296.96x = 440,632.80 × 176,062.14 - Step 4: Simplify right side
319,296.96x = 77,578,753,722.19 - Step 5: Solve for x
x = 77,578,753,722.19/319,296.96 - Step 6: Final answer
x = 242,967.40
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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.