Finding the Fourth Proportional to 623,078.74, 934,639.17 and 173,810.62
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Solution
The fourth proportional to 623,078.74, 934,639.17 and 173,810.62 is: 260,721.80
Step by Step Solution
- Step 1: Write the proportion equation
623,078.74 : 934,639.17 = 173,810.62 : x - Step 2: Convert to fraction form
623,078.74/934,639.17 = 173,810.62/x - Step 3: Cross multiply
623,078.74x = 934,639.17 × 173,810.62 - Step 4: Simplify right side
623,078.74x = 162,450,213,613.99 - Step 5: Solve for x
x = 162,450,213,613.99/623,078.74 - Step 6: Final answer
x = 260,721.80
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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.