Finding the Fourth Proportional to 647,235.18, 970,851.94 and 173,920.55
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Solution
The fourth proportional to 647,235.18, 970,851.94 and 173,920.55 is: 260,880.59
Step by Step Solution
- Step 1: Write the proportion equation
647,235.18 : 970,851.94 = 173,920.55 : x - Step 2: Convert to fraction form
647,235.18/970,851.94 = 173,920.55/x - Step 3: Cross multiply
647,235.18x = 970,851.94 × 173,920.55 - Step 4: Simplify right side
647,235.18x = 168,851,098,084.31 - Step 5: Solve for x
x = 168,851,098,084.31/647,235.18 - Step 6: Final answer
x = 260,880.59
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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.