Finding the Fourth Proportional to 357,731.84, 493,659.99 and 196,586.84
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Solution
The fourth proportional to 357,731.84, 493,659.99 and 196,586.84 is: 271,284.37
Step by Step Solution
- Step 1: Write the proportion equation
357,731.84 : 493,659.99 = 196,586.84 : x - Step 2: Convert to fraction form
357,731.84/493,659.99 = 196,586.84/x - Step 3: Cross multiply
357,731.84x = 493,659.99 × 196,586.84 - Step 4: Simplify right side
357,731.84x = 97,047,057,468.53 - Step 5: Solve for x
x = 97,047,057,468.53/357,731.84 - Step 6: Final answer
x = 271,284.37
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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.