Finding the Fourth Proportional to 239,434.08, 330,403.92 and 131,998.08
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Solution
The fourth proportional to 239,434.08, 330,403.92 and 131,998.08 is: 182,149.02
Step by Step Solution
- Step 1: Write the proportion equation
239,434.08 : 330,403.92 = 131,998.08 : x - Step 2: Convert to fraction form
239,434.08/330,403.92 = 131,998.08/x - Step 3: Cross multiply
239,434.08x = 330,403.92 × 131,998.08 - Step 4: Simplify right side
239,434.08x = 43,612,683,064.47 - Step 5: Solve for x
x = 43,612,683,064.47/239,434.08 - Step 6: Final answer
x = 182,149.02
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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.