Finding the Fourth Proportional to 146,587.68, 202,291.39 and 79,519.68
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Solution
The fourth proportional to 146,587.68, 202,291.39 and 79,519.68 is: 109,737.37
Step by Step Solution
- Step 1: Write the proportion equation
146,587.68 : 202,291.39 = 79,519.68 : x - Step 2: Convert to fraction form
146,587.68/202,291.39 = 79,519.68/x - Step 3: Cross multiply
146,587.68x = 202,291.39 × 79,519.68 - Step 4: Simplify right side
146,587.68x = 16,086,146,599.56 - Step 5: Solve for x
x = 16,086,146,599.56/146,587.68 - Step 6: Final answer
x = 109,737.37
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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.