Finding the Fourth Proportional to 318,372.01, 439,360.18 and 175,132.06
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Solution
The fourth proportional to 318,372.01, 439,360.18 and 175,132.06 is: 241,685.98
Step by Step Solution
- Step 1: Write the proportion equation
318,372.01 : 439,360.18 = 175,132.06 : x - Step 2: Convert to fraction form
318,372.01/439,360.18 = 175,132.06/x - Step 3: Cross multiply
318,372.01x = 439,360.18 × 175,132.06 - Step 4: Simplify right side
318,372.01x = 76,946,052,112.19 - Step 5: Solve for x
x = 76,946,052,112.19/318,372.01 - Step 6: Final answer
x = 241,685.98
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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.