Finding the Fourth Proportional to 494,724.24, 742,025.88 and 210,528.99
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Solution
The fourth proportional to 494,724.24, 742,025.88 and 210,528.99 is: 315,767.75
Step by Step Solution
- Step 1: Write the proportion equation
494,724.24 : 742,025.88 = 210,528.99 : x - Step 2: Convert to fraction form
494,724.24/742,025.88 = 210,528.99/x - Step 3: Cross multiply
494,724.24x = 742,025.88 × 210,528.99 - Step 4: Simplify right side
494,724.24x = 156,217,959,070.26 - Step 5: Solve for x
x = 156,217,959,070.26/494,724.24 - Step 6: Final answer
x = 315,767.75
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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.