Finding the Fourth Proportional to 299,357.57, 413,113.57 and 163,389.02
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Solution
The fourth proportional to 299,357.57, 413,113.57 and 163,389.02 is: 225,476.90
Step by Step Solution
- Step 1: Write the proportion equation
299,357.57 : 413,113.57 = 163,389.02 : x - Step 2: Convert to fraction form
299,357.57/413,113.57 = 163,389.02/x - Step 3: Cross multiply
299,357.57x = 413,113.57 × 163,389.02 - Step 4: Simplify right side
299,357.57x = 67,498,218,876.96 - Step 5: Solve for x
x = 67,498,218,876.96/299,357.57 - Step 6: Final answer
x = 225,476.90
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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.