Finding the Fourth Proportional to 104,177.62, 156,270.75 and 30,305.62
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Solution
The fourth proportional to 104,177.62, 156,270.75 and 30,305.62 is: 45,459.69
Step by Step Solution
- Step 1: Write the proportion equation
104,177.62 : 156,270.75 = 30,305.62 : x - Step 2: Convert to fraction form
104,177.62/156,270.75 = 30,305.62/x - Step 3: Cross multiply
104,177.62x = 156,270.75 × 30,305.62 - Step 4: Simplify right side
104,177.62x = 4,735,881,966.62 - Step 5: Solve for x
x = 4,735,881,966.62/104,177.62 - Step 6: Final answer
x = 45,459.69
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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.