Finding the Fourth Proportional to 647,232.70, 970,557.45 and 247,740.70
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Solution
The fourth proportional to 647,232.70, 970,557.45 and 247,740.70 is: 371,499.43
Step by Step Solution
- Step 1: Write the proportion equation
647,232.70 : 970,557.45 = 247,740.70 : x - Step 2: Convert to fraction form
647,232.70/970,557.45 = 247,740.70/x - Step 3: Cross multiply
647,232.70x = 970,557.45 × 247,740.70 - Step 4: Simplify right side
647,232.70x = 240,446,582,053.22 - Step 5: Solve for x
x = 240,446,582,053.22/647,232.70 - Step 6: Final answer
x = 371,499.43
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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.