Finding the Fourth Proportional to 162,781.68, 224,775.66 and 122,425.14
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Solution
The fourth proportional to 162,781.68, 224,775.66 and 122,425.14 is: 169,049.68
Step by Step Solution
- Step 1: Write the proportion equation
162,781.68 : 224,775.66 = 122,425.14 : x - Step 2: Convert to fraction form
162,781.68/224,775.66 = 122,425.14/x - Step 3: Cross multiply
162,781.68x = 224,775.66 × 122,425.14 - Step 4: Simplify right side
162,781.68x = 27,518,191,644.09 - Step 5: Solve for x
x = 27,518,191,644.09/162,781.68 - Step 6: Final answer
x = 169,049.68
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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.