Finding the Fourth Proportional to 478,005.46, 717,027.97 and 141,046.10
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Solution
The fourth proportional to 478,005.46, 717,027.97 and 141,046.10 is: 211,574.99
Step by Step Solution
- Step 1: Write the proportion equation
478,005.46 : 717,027.97 = 141,046.10 : x - Step 2: Convert to fraction form
478,005.46/717,027.97 = 141,046.10/x - Step 3: Cross multiply
478,005.46x = 717,027.97 × 141,046.10 - Step 4: Simplify right side
478,005.46x = 101,133,998,759.42 - Step 5: Solve for x
x = 101,133,998,759.42/478,005.46 - Step 6: Final answer
x = 211,574.99
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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.