Finding the Fourth Proportional to 352,966.91, 487,098.13 and 191,821.99
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Solution
The fourth proportional to 352,966.91, 487,098.13 and 191,821.99 is: 264,716.41
Step by Step Solution
- Step 1: Write the proportion equation
352,966.91 : 487,098.13 = 191,821.99 : x - Step 2: Convert to fraction form
352,966.91/487,098.13 = 191,821.99/x - Step 3: Cross multiply
352,966.91x = 487,098.13 × 191,821.99 - Step 4: Simplify right side
352,966.91x = 93,436,130,924.58 - Step 5: Solve for x
x = 93,436,130,924.58/352,966.91 - Step 6: Final answer
x = 264,716.41
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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.