Finding the Fourth Proportional to 647,044.95, 970,532.12 and 197,765.67
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Solution
The fourth proportional to 647,044.95, 970,532.12 and 197,765.67 is: 296,637.72
Step by Step Solution
- Step 1: Write the proportion equation
647,044.95 : 970,532.12 = 197,765.67 : x - Step 2: Convert to fraction form
647,044.95/970,532.12 = 197,765.67/x - Step 3: Cross multiply
647,044.95x = 970,532.12 × 197,765.67 - Step 4: Simplify right side
647,044.95x = 191,937,939,102.23 - Step 5: Solve for x
x = 191,937,939,102.23/647,044.95 - Step 6: Final answer
x = 296,637.72
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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.