Finding the Fourth Proportional to 191,938.36, 264,880.62 and 107,061.08
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Solution
The fourth proportional to 191,938.36, 264,880.62 and 107,061.08 is: 147,747.46
Step by Step Solution
- Step 1: Write the proportion equation
191,938.36 : 264,880.62 = 107,061.08 : x - Step 2: Convert to fraction form
191,938.36/264,880.62 = 107,061.08/x - Step 3: Cross multiply
191,938.36x = 264,880.62 × 107,061.08 - Step 4: Simplify right side
191,938.36x = 28,358,405,248.27 - Step 5: Solve for x
x = 28,358,405,248.27/191,938.36 - Step 6: Final answer
x = 147,747.46
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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.