Finding the Fourth Proportional to 291,264.26, 401,929.70 and 163,948.05
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Solution
The fourth proportional to 291,264.26, 401,929.70 and 163,948.05 is: 226,239.88
Step by Step Solution
- Step 1: Write the proportion equation
291,264.26 : 401,929.70 = 163,948.05 : x - Step 2: Convert to fraction form
291,264.26/401,929.70 = 163,948.05/x - Step 3: Cross multiply
291,264.26x = 401,929.70 × 163,948.05 - Step 4: Simplify right side
291,264.26x = 65,895,589,732.34 - Step 5: Solve for x
x = 65,895,589,732.34/291,264.26 - Step 6: Final answer
x = 226,239.88
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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.