Finding the Fourth Proportional to 451,763.87, 623,439.99 and 247,801.55
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Solution
The fourth proportional to 451,763.87, 623,439.99 and 247,801.55 is: 341,969.34
Step by Step Solution
- Step 1: Write the proportion equation
451,763.87 : 623,439.99 = 247,801.55 : x - Step 2: Convert to fraction form
451,763.87/623,439.99 = 247,801.55/x - Step 3: Cross multiply
451,763.87x = 623,439.99 × 247,801.55 - Step 4: Simplify right side
451,763.87x = 154,489,392,736.79 - Step 5: Solve for x
x = 154,489,392,736.79/451,763.87 - Step 6: Final answer
x = 341,969.34
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1.5x scale
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.