Finding the Fourth Proportional to 379,829.99, 524,144.18 and 207,713.99
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Solution
The fourth proportional to 379,829.99, 524,144.18 and 207,713.99 is: 286,633.71
Step by Step Solution
- Step 1: Write the proportion equation
379,829.99 : 524,144.18 = 207,713.99 : x - Step 2: Convert to fraction form
379,829.99/524,144.18 = 207,713.99/x - Step 3: Cross multiply
379,829.99x = 524,144.18 × 207,713.99 - Step 4: Simplify right side
379,829.99x = 108,872,078,963.08 - Step 5: Solve for x
x = 108,872,078,963.08/379,829.99 - Step 6: Final answer
x = 286,633.71
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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.