Finding the Fourth Proportional to 478,293.73, 717,481.91 and 123,304.75
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Solution
The fourth proportional to 478,293.73, 717,481.91 and 123,304.75 is: 184,967.78
Step by Step Solution
- Step 1: Write the proportion equation
478,293.73 : 717,481.91 = 123,304.75 : x - Step 2: Convert to fraction form
478,293.73/717,481.91 = 123,304.75/x - Step 3: Cross multiply
478,293.73x = 717,481.91 × 123,304.75 - Step 4: Simplify right side
478,293.73x = 88,468,927,542.07 - Step 5: Solve for x
x = 88,468,927,542.07/478,293.73 - Step 6: Final answer
x = 184,967.78
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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.