Finding the Fourth Proportional to 98,822.38, 148,240.50 and 39,658.09
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Solution
The fourth proportional to 98,822.38, 148,240.50 and 39,658.09 is: 59,489.92
Step by Step Solution
- Step 1: Write the proportion equation
98,822.38 : 148,240.50 = 39,658.09 : x - Step 2: Convert to fraction form
98,822.38/148,240.50 = 39,658.09/x - Step 3: Cross multiply
98,822.38x = 148,240.50 × 39,658.09 - Step 4: Simplify right side
98,822.38x = 5,878,935,090.65 - Step 5: Solve for x
x = 5,878,935,090.65/98,822.38 - Step 6: Final answer
x = 59,489.92
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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.