Finding the Fourth Proportional to 284,301.49, 424,608.99 and 257,594.12
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Solution
The fourth proportional to 284,301.49, 424,608.99 and 257,594.12 is: 384,721.09
Step by Step Solution
- Step 1: Write the proportion equation
284,301.49 : 424,608.99 = 257,594.12 : x - Step 2: Convert to fraction form
284,301.49/424,608.99 = 257,594.12/x - Step 3: Cross multiply
284,301.49x = 424,608.99 × 257,594.12 - Step 4: Simplify right side
284,301.49x = 109,376,776,975.55 - Step 5: Solve for x
x = 109,376,776,975.55/284,301.49 - Step 6: Final answer
x = 384,721.09
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.