Finding the Fourth Proportional to 97,261.70, 145,892.61 and 30,708.62
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Solution
The fourth proportional to 97,261.70, 145,892.61 and 30,708.62 is: 46,062.95
Step by Step Solution
- Step 1: Write the proportion equation
97,261.70 : 145,892.61 = 30,708.62 : x - Step 2: Convert to fraction form
97,261.70/145,892.61 = 30,708.62/x - Step 3: Cross multiply
97,261.70x = 145,892.61 × 30,708.62 - Step 4: Simplify right side
97,261.70x = 4,480,160,721.30 - Step 5: Solve for x
x = 4,480,160,721.30/97,261.70 - Step 6: Final answer
x = 46,062.95
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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.