Finding the Fourth Proportional to 372,792.95, 514,468.83 and 211,662.99
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Solution
The fourth proportional to 372,792.95, 514,468.83 and 211,662.99 is: 292,103.20
Step by Step Solution
- Step 1: Write the proportion equation
372,792.95 : 514,468.83 = 211,662.99 : x - Step 2: Convert to fraction form
372,792.95/514,468.83 = 211,662.99/x - Step 3: Cross multiply
372,792.95x = 514,468.83 × 211,662.99 - Step 4: Simplify right side
372,792.95x = 108,894,010,819.60 - Step 5: Solve for x
x = 108,894,010,819.60/372,792.95 - Step 6: Final answer
x = 292,103.20
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.