Finding the Fourth Proportional to 316,868.49, 437,335.92 and 202,182.75
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Solution
The fourth proportional to 316,868.49, 437,335.92 and 202,182.75 is: 279,048.82
Step by Step Solution
- Step 1: Write the proportion equation
316,868.49 : 437,335.92 = 202,182.75 : x - Step 2: Convert to fraction form
316,868.49/437,335.92 = 202,182.75/x - Step 3: Cross multiply
316,868.49x = 437,335.92 × 202,182.75 - Step 4: Simplify right side
316,868.49x = 88,421,778,979.38 - Step 5: Solve for x
x = 88,421,778,979.38/316,868.49 - Step 6: Final answer
x = 279,048.82
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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.