Finding the Fourth Proportional to 97,702.44, 146,455.20 and 38,515.20
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Solution
The fourth proportional to 97,702.44, 146,455.20 and 38,515.20 is: 57,733.99
Step by Step Solution
- Step 1: Write the proportion equation
97,702.44 : 146,455.20 = 38,515.20 : x - Step 2: Convert to fraction form
97,702.44/146,455.20 = 38,515.20/x - Step 3: Cross multiply
97,702.44x = 146,455.20 × 38,515.20 - Step 4: Simplify right side
97,702.44x = 5,640,751,319.04 - Step 5: Solve for x
x = 5,640,751,319.04/97,702.44 - Step 6: Final answer
x = 57,733.99
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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.