Finding the Fourth Proportional to 257,774.99, 386,537.48 and 151,193.76
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Solution
The fourth proportional to 257,774.99, 386,537.48 and 151,193.76 is: 226,717.32
Step by Step Solution
- Step 1: Write the proportion equation
257,774.99 : 386,537.48 = 151,193.76 : x - Step 2: Convert to fraction form
257,774.99/386,537.48 = 151,193.76/x - Step 3: Cross multiply
257,774.99x = 386,537.48 × 151,193.76 - Step 4: Simplify right side
257,774.99x = 58,442,053,343.62 - Step 5: Solve for x
x = 58,442,053,343.62/257,774.99 - Step 6: Final answer
x = 226,717.32
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.