Finding the Fourth Proportional to 385,536.24, 578,565.99 and 136,218.24
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Solution
The fourth proportional to 385,536.24, 578,565.99 and 136,218.24 is: 204,419.80
Step by Step Solution
- Step 1: Write the proportion equation
385,536.24 : 578,565.99 = 136,218.24 : x - Step 2: Convert to fraction form
385,536.24/578,565.99 = 136,218.24/x - Step 3: Cross multiply
385,536.24x = 578,565.99 × 136,218.24 - Step 4: Simplify right side
385,536.24x = 78,811,240,881.66 - Step 5: Solve for x
x = 78,811,240,881.66/385,536.24 - Step 6: Final answer
x = 204,419.80
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.