Finding the Fourth Proportional to 318,744.62, 478,117.08 and 304,907.29
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Solution
The fourth proportional to 318,744.62, 478,117.08 and 304,907.29 is: 457,361.08
Step by Step Solution
- Step 1: Write the proportion equation
318,744.62 : 478,117.08 = 304,907.29 : x - Step 2: Convert to fraction form
318,744.62/478,117.08 = 304,907.29/x - Step 3: Cross multiply
318,744.62x = 478,117.08 × 304,907.29 - Step 4: Simplify right side
318,744.62x = 145,781,381,970.22 - Step 5: Solve for x
x = 145,781,381,970.22/318,744.62 - Step 6: Final answer
x = 457,361.08
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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.