Finding the Fourth Proportional to 299,778.19, 413,694.99 and 163,812.15
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Solution
The fourth proportional to 299,778.19, 413,694.99 and 163,812.15 is: 226,061.35
Step by Step Solution
- Step 1: Write the proportion equation
299,778.19 : 413,694.99 = 163,812.15 : x - Step 2: Convert to fraction form
299,778.19/413,694.99 = 163,812.15/x - Step 3: Cross multiply
299,778.19x = 413,694.99 × 163,812.15 - Step 4: Simplify right side
299,778.19x = 67,768,264,477.43 - Step 5: Solve for x
x = 67,768,264,477.43/299,778.19 - Step 6: Final answer
x = 226,061.35
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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.