Finding the Fourth Proportional to 98,658.65, 147,941.96 and 51,260.99
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Solution
The fourth proportional to 98,658.65, 147,941.96 and 51,260.99 is: 76,867.57
Step by Step Solution
- Step 1: Write the proportion equation
98,658.65 : 147,941.96 = 51,260.99 : x - Step 2: Convert to fraction form
98,658.65/147,941.96 = 51,260.99/x - Step 3: Cross multiply
98,658.65x = 147,941.96 × 51,260.99 - Step 4: Simplify right side
98,658.65x = 7,583,650,336.13 - Step 5: Solve for x
x = 7,583,650,336.13/98,658.65 - Step 6: Final answer
x = 76,867.57
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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.