Finding the Fourth Proportional to 319,711.49, 441,201.89 and 176,471.58
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Solution
The fourth proportional to 319,711.49, 441,201.89 and 176,471.58 is: 243,530.80
Step by Step Solution
- Step 1: Write the proportion equation
319,711.49 : 441,201.89 = 176,471.58 : x - Step 2: Convert to fraction form
319,711.49/441,201.89 = 176,471.58/x - Step 3: Cross multiply
319,711.49x = 441,201.89 × 176,471.58 - Step 4: Simplify right side
319,711.49x = 77,859,595,068.47 - Step 5: Solve for x
x = 77,859,595,068.47/319,711.49 - Step 6: Final answer
x = 243,530.80
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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.