Finding the Fourth Proportional to 222,963.15, 307,785.14 and 136,936.08
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Solution
The fourth proportional to 222,963.15, 307,785.14 and 136,936.08 is: 189,030.74
Step by Step Solution
- Step 1: Write the proportion equation
222,963.15 : 307,785.14 = 136,936.08 : x - Step 2: Convert to fraction form
222,963.15/307,785.14 = 136,936.08/x - Step 3: Cross multiply
222,963.15x = 307,785.14 × 136,936.08 - Step 4: Simplify right side
222,963.15x = 42,146,889,869.17 - Step 5: Solve for x
x = 42,146,889,869.17/222,963.15 - Step 6: Final answer
x = 189,030.74
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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.