Finding the Fourth Proportional to 424,318.66, 636,477.99 and 199,539.34
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Solution
The fourth proportional to 424,318.66, 636,477.99 and 199,539.34 is: 299,309.01
Step by Step Solution
- Step 1: Write the proportion equation
424,318.66 : 636,477.99 = 199,539.34 : x - Step 2: Convert to fraction form
424,318.66/636,477.99 = 199,539.34/x - Step 3: Cross multiply
424,318.66x = 636,477.99 × 199,539.34 - Step 4: Simplify right side
424,318.66x = 127,002,398,049.13 - Step 5: Solve for x
x = 127,002,398,049.13/424,318.66 - Step 6: Final answer
x = 299,309.01
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1.5x scale
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.