Finding the Fourth Proportional to 162,749.80, 244,124.70 and 107,345.80
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Solution
The fourth proportional to 162,749.80, 244,124.70 and 107,345.80 is: 161,018.70
Step by Step Solution
- Step 1: Write the proportion equation
162,749.80 : 244,124.70 = 107,345.80 : x - Step 2: Convert to fraction form
162,749.80/244,124.70 = 107,345.80/x - Step 3: Cross multiply
162,749.80x = 244,124.70 × 107,345.80 - Step 4: Simplify right side
162,749.80x = 26,205,761,221.26 - Step 5: Solve for x
x = 26,205,761,221.26/162,749.80 - Step 6: Final answer
x = 161,018.70
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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.