Finding the Fourth Proportional to 426,162.18, 588,115.79 and 235,187.62
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Solution
The fourth proportional to 426,162.18, 588,115.79 and 235,187.62 is: 324,565.53
Step by Step Solution
- Step 1: Write the proportion equation
426,162.18 : 588,115.79 = 235,187.62 : x - Step 2: Convert to fraction form
426,162.18/588,115.79 = 235,187.62/x - Step 3: Cross multiply
426,162.18x = 588,115.79 × 235,187.62 - Step 4: Simplify right side
426,162.18x = 138,317,552,934.52 - Step 5: Solve for x
x = 138,317,552,934.52/426,162.18 - Step 6: Final answer
x = 324,565.53
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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.