Finding the Fourth Proportional to 319,330.08, 440,643.24 and 176,086.44
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Solution
The fourth proportional to 319,330.08, 440,643.24 and 176,086.44 is: 242,981.49
Step by Step Solution
- Step 1: Write the proportion equation
319,330.08 : 440,643.24 = 176,086.44 : x - Step 2: Convert to fraction form
319,330.08/440,643.24 = 176,086.44/x - Step 3: Cross multiply
319,330.08x = 440,643.24 × 176,086.44 - Step 4: Simplify right side
319,330.08x = 77,591,299,441.67 - Step 5: Solve for x
x = 77,591,299,441.67/319,330.08 - Step 6: Final answer
x = 242,981.49
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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.