Finding the Fourth Proportional to 257,356.27, 386,082.96 and 97,480.09
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Solution
The fourth proportional to 257,356.27, 386,082.96 and 97,480.09 is: 146,238.53
Step by Step Solution
- Step 1: Write the proportion equation
257,356.27 : 386,082.96 = 97,480.09 : x - Step 2: Convert to fraction form
257,356.27/386,082.96 = 97,480.09/x - Step 3: Cross multiply
257,356.27x = 386,082.96 × 97,480.09 - Step 4: Simplify right side
257,356.27x = 37,635,401,805.32 - Step 5: Solve for x
x = 37,635,401,805.32/257,356.27 - Step 6: Final answer
x = 146,238.53
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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.