Finding the Fourth Proportional to 647,549.80, 971,324.70 and 253,565.80
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Solution
The fourth proportional to 647,549.80, 971,324.70 and 253,565.80 is: 380,348.70
Step by Step Solution
- Step 1: Write the proportion equation
647,549.80 : 971,324.70 = 253,565.80 : x - Step 2: Convert to fraction form
647,549.80/971,324.70 = 253,565.80/x - Step 3: Cross multiply
647,549.80x = 971,324.70 × 253,565.80 - Step 4: Simplify right side
647,549.80x = 246,294,724,615.26 - Step 5: Solve for x
x = 246,294,724,615.26/647,549.80 - Step 6: Final answer
x = 380,348.70
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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.