Finding the Fourth Proportional to 97,722.80, 146,584.20 and 63,897.20
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Solution
The fourth proportional to 97,722.80, 146,584.20 and 63,897.20 is: 95,845.80
Step by Step Solution
- Step 1: Write the proportion equation
97,722.80 : 146,584.20 = 63,897.20 : x - Step 2: Convert to fraction form
97,722.80/146,584.20 = 63,897.20/x - Step 3: Cross multiply
97,722.80x = 146,584.20 × 63,897.20 - Step 4: Simplify right side
97,722.80x = 9,366,319,944.24 - Step 5: Solve for x
x = 9,366,319,944.24/97,722.80 - Step 6: Final answer
x = 95,845.80
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1.5x scale
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.