Finding the Fourth Proportional to 342,475.67, 513,585.79 and 117,772.49
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Solution
The fourth proportional to 342,475.67, 513,585.79 and 117,772.49 is: 176,614.82
Step by Step Solution
- Step 1: Write the proportion equation
342,475.67 : 513,585.79 = 117,772.49 : x - Step 2: Convert to fraction form
342,475.67/513,585.79 = 117,772.49/x - Step 3: Cross multiply
342,475.67x = 513,585.79 × 117,772.49 - Step 4: Simplify right side
342,475.67x = 60,486,277,316.92 - Step 5: Solve for x
x = 60,486,277,316.92/342,475.67 - Step 6: Final answer
x = 176,614.82
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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.