Finding the Fourth Proportional to 319,337.99, 478,464.72 and 192,712.14
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Solution
The fourth proportional to 319,337.99, 478,464.72 and 192,712.14 is: 288,740.96
Step by Step Solution
- Step 1: Write the proportion equation
319,337.99 : 478,464.72 = 192,712.14 : x - Step 2: Convert to fraction form
319,337.99/478,464.72 = 192,712.14/x - Step 3: Cross multiply
319,337.99x = 478,464.72 × 192,712.14 - Step 4: Simplify right side
319,337.99x = 92,205,959,121.35 - Step 5: Solve for x
x = 92,205,959,121.35/319,337.99 - Step 6: Final answer
x = 288,740.96
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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.