Finding the Fourth Proportional to 236,489.99, 326,363.10 and 129,066.92
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Solution
The fourth proportional to 236,489.99, 326,363.10 and 129,066.92 is: 178,116.12
Step by Step Solution
- Step 1: Write the proportion equation
236,489.99 : 326,363.10 = 129,066.92 : x - Step 2: Convert to fraction form
236,489.99/326,363.10 = 129,066.92/x - Step 3: Cross multiply
236,489.99x = 326,363.10 × 129,066.92 - Step 4: Simplify right side
236,489.99x = 42,122,680,118.65 - Step 5: Solve for x
x = 42,122,680,118.65/236,489.99 - Step 6: Final answer
x = 178,116.12
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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.