Finding the Fourth Proportional to 318,878.93, 440,052.84 and 175,638.97
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Solution
The fourth proportional to 318,878.93, 440,052.84 and 175,638.97 is: 242,381.73
Step by Step Solution
- Step 1: Write the proportion equation
318,878.93 : 440,052.84 = 175,638.97 : x - Step 2: Convert to fraction form
318,878.93/440,052.84 = 175,638.97/x - Step 3: Cross multiply
318,878.93x = 440,052.84 × 175,638.97 - Step 4: Simplify right side
318,878.93x = 77,290,427,563.17 - Step 5: Solve for x
x = 77,290,427,563.17/318,878.93 - Step 6: Final answer
x = 242,381.73
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.