Finding the Fourth Proportional to 214,785.74, 322,218.24 and 70,699.70
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Solution
The fourth proportional to 214,785.74, 322,218.24 and 70,699.70 is: 106,062.59
Step by Step Solution
- Step 1: Write the proportion equation
214,785.74 : 322,218.24 = 70,699.70 : x - Step 2: Convert to fraction form
214,785.74/322,218.24 = 70,699.70/x - Step 3: Cross multiply
214,785.74x = 322,218.24 × 70,699.70 - Step 4: Simplify right side
214,785.74x = 22,780,732,902.53 - Step 5: Solve for x
x = 22,780,732,902.53/214,785.74 - Step 6: Final answer
x = 106,062.59
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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.