Finding the Fourth Proportional to 398,817.08, 550,354.14 and 237,588.62
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Solution
The fourth proportional to 398,817.08, 550,354.14 and 237,588.62 is: 327,864.29
Step by Step Solution
- Step 1: Write the proportion equation
398,817.08 : 550,354.14 = 237,588.62 : x - Step 2: Convert to fraction form
398,817.08/550,354.14 = 237,588.62/x - Step 3: Cross multiply
398,817.08x = 550,354.14 × 237,588.62 - Step 4: Simplify right side
398,817.08x = 130,757,880,633.89 - Step 5: Solve for x
x = 130,757,880,633.89/398,817.08 - Step 6: Final answer
x = 327,864.29
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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.