Finding the Fourth Proportional to 102,515.20, 153,718.96 and 46,306.88
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Solution
The fourth proportional to 102,515.20, 153,718.96 and 46,306.88 is: 69,436.00
Step by Step Solution
- Step 1: Write the proportion equation
102,515.20 : 153,718.96 = 46,306.88 : x - Step 2: Convert to fraction form
102,515.20/153,718.96 = 46,306.88/x - Step 3: Cross multiply
102,515.20x = 153,718.96 × 46,306.88 - Step 4: Simplify right side
102,515.20x = 7,118,245,434.44 - Step 5: Solve for x
x = 7,118,245,434.44/102,515.20 - Step 6: Final answer
x = 69,436.00
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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.