Finding the Fourth Proportional to 299,965.24, 413,977.63 and 170,943.17
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Solution
The fourth proportional to 299,965.24, 413,977.63 and 170,943.17 is: 235,916.17
Step by Step Solution
- Step 1: Write the proportion equation
299,965.24 : 413,977.63 = 170,943.17 : x - Step 2: Convert to fraction form
299,965.24/413,977.63 = 170,943.17/x - Step 3: Cross multiply
299,965.24x = 413,977.63 × 170,943.17 - Step 4: Simplify right side
299,965.24x = 70,766,648,988.87 - Step 5: Solve for x
x = 70,766,648,988.87/299,965.24 - Step 6: Final answer
x = 235,916.17
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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.