Finding the Fourth Proportional to 357,843.02, 493,823.79 and 196,694.63
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Solution
The fourth proportional to 357,843.02, 493,823.79 and 196,694.63 is: 271,438.82
Step by Step Solution
- Step 1: Write the proportion equation
357,843.02 : 493,823.79 = 196,694.63 : x - Step 2: Convert to fraction form
357,843.02/493,823.79 = 196,694.63/x - Step 3: Cross multiply
357,843.02x = 493,823.79 × 196,694.63 - Step 4: Simplify right side
357,843.02x = 97,132,487,041.97 - Step 5: Solve for x
x = 97,132,487,041.97/357,843.02 - Step 6: Final answer
x = 271,438.82
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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.