Finding the Fourth Proportional to 427,824.23, 590,212.10 and 257,963.99
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Solution
The fourth proportional to 427,824.23, 590,212.10 and 257,963.99 is: 355,878.55
Step by Step Solution
- Step 1: Write the proportion equation
427,824.23 : 590,212.10 = 257,963.99 : x - Step 2: Convert to fraction form
427,824.23/590,212.10 = 257,963.99/x - Step 3: Cross multiply
427,824.23x = 590,212.10 × 257,963.99 - Step 4: Simplify right side
427,824.23x = 152,253,465,956.13 - Step 5: Solve for x
x = 152,253,465,956.13/427,824.23 - Step 6: Final answer
x = 355,878.55
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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.