Finding the Fourth Proportional to 319,267.26, 440,591.79 and 176,032.40
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Solution
The fourth proportional to 319,267.26, 440,591.79 and 176,032.40 is: 242,926.34
Step by Step Solution
- Step 1: Write the proportion equation
319,267.26 : 440,591.79 = 176,032.40 : x - Step 2: Convert to fraction form
319,267.26/440,591.79 = 176,032.40/x - Step 3: Cross multiply
319,267.26x = 440,591.79 × 176,032.40 - Step 4: Simplify right side
319,267.26x = 77,558,428,011.04 - Step 5: Solve for x
x = 77,558,428,011.04/319,267.26 - Step 6: Final answer
x = 242,926.34
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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.