Finding the Fourth Proportional to 162,529.91, 224,279.09 and 90,896.09
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Solution
The fourth proportional to 162,529.91, 224,279.09 and 90,896.09 is: 125,429.79
Step by Step Solution
- Step 1: Write the proportion equation
162,529.91 : 224,279.09 = 90,896.09 : x - Step 2: Convert to fraction form
162,529.91/224,279.09 = 90,896.09/x - Step 3: Cross multiply
162,529.91x = 224,279.09 × 90,896.09 - Step 4: Simplify right side
162,529.91x = 20,386,092,349.76 - Step 5: Solve for x
x = 20,386,092,349.76/162,529.91 - Step 6: Final answer
x = 125,429.79
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1.5x scale
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.