Finding the Fourth Proportional to 647,467.68, 971,637.84 and 226,747.20
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Solution
The fourth proportional to 647,467.68, 971,637.84 and 226,747.20 is: 340,273.60
Step by Step Solution
- Step 1: Write the proportion equation
647,467.68 : 971,637.84 = 226,747.20 : x - Step 2: Convert to fraction form
647,467.68/971,637.84 = 226,747.20/x - Step 3: Cross multiply
647,467.68x = 971,637.84 × 226,747.20 - Step 4: Simplify right side
647,467.68x = 220,316,159,634.05 - Step 5: Solve for x
x = 220,316,159,634.05/647,467.68 - Step 6: Final answer
x = 340,273.60
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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.