Finding the Fourth Proportional to 319,743.94, 441,246.72 and 176,504.08
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Solution
The fourth proportional to 319,743.94, 441,246.72 and 176,504.08 is: 243,575.68
Step by Step Solution
- Step 1: Write the proportion equation
319,743.94 : 441,246.72 = 176,504.08 : x - Step 2: Convert to fraction form
319,743.94/441,246.72 = 176,504.08/x - Step 3: Cross multiply
319,743.94x = 441,246.72 × 176,504.08 - Step 4: Simplify right side
319,743.94x = 77,881,846,366.62 - Step 5: Solve for x
x = 77,881,846,366.62/319,743.94 - Step 6: Final answer
x = 243,575.68
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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.