Finding the Fourth Proportional to 426,239.11, 588,208.75 and 235,251.13
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Solution
The fourth proportional to 426,239.11, 588,208.75 and 235,251.13 is: 324,645.89
Step by Step Solution
- Step 1: Write the proportion equation
426,239.11 : 588,208.75 = 235,251.13 : x - Step 2: Convert to fraction form
426,239.11/588,208.75 = 235,251.13/x - Step 3: Cross multiply
426,239.11x = 588,208.75 × 235,251.13 - Step 4: Simplify right side
426,239.11x = 138,376,773,113.39 - Step 5: Solve for x
x = 138,376,773,113.39/426,239.11 - Step 6: Final answer
x = 324,645.89
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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.