Finding the Fourth Proportional to 499,302.08, 688,868.64 and 284,290.08
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Solution
The fourth proportional to 499,302.08, 688,868.64 and 284,290.08 is: 392,224.52
Step by Step Solution
- Step 1: Write the proportion equation
499,302.08 : 688,868.64 = 284,290.08 : x - Step 2: Convert to fraction form
499,302.08/688,868.64 = 284,290.08/x - Step 3: Cross multiply
499,302.08x = 688,868.64 × 284,290.08 - Step 4: Simplify right side
499,302.08x = 195,838,520,775.09 - Step 5: Solve for x
x = 195,838,520,775.09/499,302.08 - Step 6: Final answer
x = 392,224.52
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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.