Finding the Fourth Proportional to 426,778.96, 588,904.77 and 235,780.96
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Solution
The fourth proportional to 426,778.96, 588,904.77 and 235,780.96 is: 325,349.99
Step by Step Solution
- Step 1: Write the proportion equation
426,778.96 : 588,904.77 = 235,780.96 : x - Step 2: Convert to fraction form
426,778.96/588,904.77 = 235,780.96/x - Step 3: Cross multiply
426,778.96x = 588,904.77 × 235,780.96 - Step 4: Simplify right side
426,778.96x = 138,852,532,019.18 - Step 5: Solve for x
x = 138,852,532,019.18/426,778.96 - Step 6: Final answer
x = 325,349.99
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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.