Finding the Fourth Proportional to 342,276.84, 472,343.40 and 191,373.84
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Solution
The fourth proportional to 342,276.84, 472,343.40 and 191,373.84 is: 264,096.66
Step by Step Solution
- Step 1: Write the proportion equation
342,276.84 : 472,343.40 = 191,373.84 : x - Step 2: Convert to fraction form
342,276.84/472,343.40 = 191,373.84/x - Step 3: Cross multiply
342,276.84x = 472,343.40 × 191,373.84 - Step 4: Simplify right side
342,276.84x = 90,394,170,256.66 - Step 5: Solve for x
x = 90,394,170,256.66/342,276.84 - Step 6: Final answer
x = 264,096.66
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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.