Finding the Fourth Proportional to 287,592.59, 431,256.68 and 97,975.79
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Solution
The fourth proportional to 287,592.59, 431,256.68 and 97,975.79 is: 146,918.65
Step by Step Solution
- Step 1: Write the proportion equation
287,592.59 : 431,256.68 = 97,975.79 : x - Step 2: Convert to fraction form
287,592.59/431,256.68 = 97,975.79/x - Step 3: Cross multiply
287,592.59x = 431,256.68 × 97,975.79 - Step 4: Simplify right side
287,592.59x = 42,252,713,915.78 - Step 5: Solve for x
x = 42,252,713,915.78/287,592.59 - Step 6: Final answer
x = 146,918.65
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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.