Finding the Fourth Proportional to 319,161.15, 440,442.38 and 175,924.26
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Solution
The fourth proportional to 319,161.15, 440,442.38 and 175,924.26 is: 242,775.48
Step by Step Solution
- Step 1: Write the proportion equation
319,161.15 : 440,442.38 = 175,924.26 : x - Step 2: Convert to fraction form
319,161.15/440,442.38 = 175,924.26/x - Step 3: Cross multiply
319,161.15x = 440,442.38 × 175,924.26 - Step 4: Simplify right side
319,161.15x = 77,484,501,535.75 - Step 5: Solve for x
x = 77,484,501,535.75/319,161.15 - Step 6: Final answer
x = 242,775.48
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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.