Finding the Fourth Proportional to 319,249.36, 440,567.18 and 176,014.54
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Solution
The fourth proportional to 319,249.36, 440,567.18 and 176,014.54 is: 242,901.75
Step by Step Solution
- Step 1: Write the proportion equation
319,249.36 : 440,567.18 = 176,014.54 : x - Step 2: Convert to fraction form
319,249.36/440,567.18 = 176,014.54/x - Step 3: Cross multiply
319,249.36x = 440,567.18 × 176,014.54 - Step 4: Simplify right side
319,249.36x = 77,546,229,526.80 - Step 5: Solve for x
x = 77,546,229,526.80/319,249.36 - Step 6: Final answer
x = 242,901.75
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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.