Finding the Fourth Proportional to 319,114.76, 478,677.11 and 94,497.92
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Solution
The fourth proportional to 319,114.76, 478,677.11 and 94,497.92 is: 141,748.34
Step by Step Solution
- Step 1: Write the proportion equation
319,114.76 : 478,677.11 = 94,497.92 : x - Step 2: Convert to fraction form
319,114.76/478,677.11 = 94,497.92/x - Step 3: Cross multiply
319,114.76x = 478,677.11 × 94,497.92 - Step 4: Simplify right side
319,114.76x = 45,233,988,380.74 - Step 5: Solve for x
x = 45,233,988,380.74/319,114.76 - Step 6: Final answer
x = 141,748.34
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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.