Finding the Fourth Proportional to 319,582.05, 441,022.71 and 176,341.98
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Solution
The fourth proportional to 319,582.05, 441,022.71 and 176,341.98 is: 243,351.65
Step by Step Solution
- Step 1: Write the proportion equation
319,582.05 : 441,022.71 = 176,341.98 : x - Step 2: Convert to fraction form
319,582.05/441,022.71 = 176,341.98/x - Step 3: Cross multiply
319,582.05x = 441,022.71 × 176,341.98 - Step 4: Simplify right side
319,582.05x = 77,770,817,906.37 - Step 5: Solve for x
x = 77,770,817,906.37/319,582.05 - Step 6: Final answer
x = 243,351.65
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1.5x scale
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.