Finding the Fourth Proportional to 398,248.65, 597,673.69 and 271,588.55
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Solution
The fourth proportional to 398,248.65, 597,673.69 and 271,588.55 is: 407,587.89
Step by Step Solution
- Step 1: Write the proportion equation
398,248.65 : 597,673.69 = 271,588.55 : x - Step 2: Convert to fraction form
398,248.65/597,673.69 = 271,588.55/x - Step 3: Cross multiply
398,248.65x = 597,673.69 × 271,588.55 - Step 4: Simplify right side
398,248.65x = 162,321,327,172.91 - Step 5: Solve for x
x = 162,321,327,172.91/398,248.65 - Step 6: Final answer
x = 407,587.89
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.