Finding the Fourth Proportional to 299,677.05, 413,569.10 and 170,618.09
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Solution
The fourth proportional to 299,677.05, 413,569.10 and 170,618.09 is: 235,461.36
Step by Step Solution
- Step 1: Write the proportion equation
299,677.05 : 413,569.10 = 170,618.09 : x - Step 2: Convert to fraction form
299,677.05/413,569.10 = 170,618.09/x - Step 3: Cross multiply
299,677.05x = 413,569.10 × 170,618.09 - Step 4: Simplify right side
299,677.05x = 70,562,367,643.90 - Step 5: Solve for x
x = 70,562,367,643.90/299,677.05 - Step 6: Final answer
x = 235,461.36
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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.