Finding the Fourth Proportional to 285,173.84, 393,498.68 and 157,849.14
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Solution
The fourth proportional to 285,173.84, 393,498.68 and 157,849.14 is: 217,809.00
Step by Step Solution
- Step 1: Write the proportion equation
285,173.84 : 393,498.68 = 157,849.14 : x - Step 2: Convert to fraction form
285,173.84/393,498.68 = 157,849.14/x - Step 3: Cross multiply
285,173.84x = 393,498.68 × 157,849.14 - Step 4: Simplify right side
285,173.84x = 62,113,428,229.14 - Step 5: Solve for x
x = 62,113,428,229.14/285,173.84 - Step 6: Final answer
x = 217,809.00
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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.