Finding the Fourth Proportional to 299,325.92, 413,079.42 and 170,261.06
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Solution
The fourth proportional to 299,325.92, 413,079.42 and 170,261.06 is: 234,965.75
Step by Step Solution
- Step 1: Write the proportion equation
299,325.92 : 413,079.42 = 170,261.06 : x - Step 2: Convert to fraction form
299,325.92/413,079.42 = 170,261.06/x - Step 3: Cross multiply
299,325.92x = 413,079.42 × 170,261.06 - Step 4: Simplify right side
299,325.92x = 70,331,339,913.39 - Step 5: Solve for x
x = 70,331,339,913.39/299,325.92 - Step 6: Final answer
x = 234,965.75
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1.5x scale
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.