Finding the Fourth Proportional to 647,578.60, 971,108.70 and 226,637.80
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Solution
The fourth proportional to 647,578.60, 971,108.70 and 226,637.80 is: 339,865.99
Step by Step Solution
- Step 1: Write the proportion equation
647,578.60 : 971,108.70 = 226,637.80 : x - Step 2: Convert to fraction form
647,578.60/971,108.70 = 226,637.80/x - Step 3: Cross multiply
647,578.60x = 971,108.70 × 226,637.80 - Step 4: Simplify right side
647,578.60x = 220,089,939,328.86 - Step 5: Solve for x
x = 220,089,939,328.86/647,578.60 - Step 6: Final answer
x = 339,865.99
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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.