Finding the Fourth Proportional to 267,351.88, 368,921.06 and 154,152.76
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Solution
The fourth proportional to 267,351.88, 368,921.06 and 154,152.76 is: 212,716.66
Step by Step Solution
- Step 1: Write the proportion equation
267,351.88 : 368,921.06 = 154,152.76 : x - Step 2: Convert to fraction form
267,351.88/368,921.06 = 154,152.76/x - Step 3: Cross multiply
267,351.88x = 368,921.06 × 154,152.76 - Step 4: Simplify right side
267,351.88x = 56,870,199,621.13 - Step 5: Solve for x
x = 56,870,199,621.13/267,351.88 - Step 6: Final answer
x = 212,716.66
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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.