Finding the Fourth Proportional to 151,246.08, 208,717.56 and 84,178.08
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Solution
The fourth proportional to 151,246.08, 208,717.56 and 84,178.08 is: 116,164.62
Step by Step Solution
- Step 1: Write the proportion equation
151,246.08 : 208,717.56 = 84,178.08 : x - Step 2: Convert to fraction form
151,246.08/208,717.56 = 84,178.08/x - Step 3: Cross multiply
151,246.08x = 208,717.56 × 84,178.08 - Step 4: Simplify right side
151,246.08x = 17,569,443,463.08 - Step 5: Solve for x
x = 17,569,443,463.08/151,246.08 - Step 6: Final answer
x = 116,164.62
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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.