Finding the Fourth Proportional to 279,284.26, 385,400.82 and 151,959.91
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Solution
The fourth proportional to 279,284.26, 385,400.82 and 151,959.91 is: 209,698.44
Step by Step Solution
- Step 1: Write the proportion equation
279,284.26 : 385,400.82 = 151,959.91 : x - Step 2: Convert to fraction form
279,284.26/385,400.82 = 151,959.91/x - Step 3: Cross multiply
279,284.26x = 385,400.82 × 151,959.91 - Step 4: Simplify right side
279,284.26x = 58,565,473,921.13 - Step 5: Solve for x
x = 58,565,473,921.13/279,284.26 - Step 6: Final answer
x = 209,698.44
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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.