Finding the Fourth Proportional to 108,330.49, 149,498.13 and 60,589.09
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Solution
The fourth proportional to 108,330.49, 149,498.13 and 60,589.09 is: 83,614.09
Step by Step Solution
- Step 1: Write the proportion equation
108,330.49 : 149,498.13 = 60,589.09 : x - Step 2: Convert to fraction form
108,330.49/149,498.13 = 60,589.09/x - Step 3: Cross multiply
108,330.49x = 149,498.13 × 60,589.09 - Step 4: Simplify right side
108,330.49x = 9,057,955,653.40 - Step 5: Solve for x
x = 9,057,955,653.40/108,330.49 - Step 6: Final answer
x = 83,614.09
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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.