Finding the Fourth Proportional to 319,388.99, 478,086.99 and 235,244.16
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Solution
The fourth proportional to 319,388.99, 478,086.99 and 235,244.16 is: 352,132.28
Step by Step Solution
- Step 1: Write the proportion equation
319,388.99 : 478,086.99 = 235,244.16 : x - Step 2: Convert to fraction form
319,388.99/478,086.99 = 235,244.16/x - Step 3: Cross multiply
319,388.99x = 478,086.99 × 235,244.16 - Step 4: Simplify right side
319,388.99x = 112,467,172,369.48 - Step 5: Solve for x
x = 112,467,172,369.48/319,388.99 - Step 6: Final answer
x = 352,132.28
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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.