Finding the Fourth Proportional to 267,440.13, 401,178.66 and 77,902.08
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Solution
The fourth proportional to 267,440.13, 401,178.66 and 77,902.08 is: 116,858.49
Step by Step Solution
- Step 1: Write the proportion equation
267,440.13 : 401,178.66 = 77,902.08 : x - Step 2: Convert to fraction form
267,440.13/401,178.66 = 77,902.08/x - Step 3: Cross multiply
267,440.13x = 401,178.66 × 77,902.08 - Step 4: Simplify right side
267,440.13x = 31,252,650,561.19 - Step 5: Solve for x
x = 31,252,650,561.19/267,440.13 - Step 6: Final answer
x = 116,858.49
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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.