Finding the Fourth Proportional to 298,108.23, 447,176.69 and 98,424.19
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Solution
The fourth proportional to 298,108.23, 447,176.69 and 98,424.19 is: 147,641.03
Step by Step Solution
- Step 1: Write the proportion equation
298,108.23 : 447,176.69 = 98,424.19 : x - Step 2: Convert to fraction form
298,108.23/447,176.69 = 98,424.19/x - Step 3: Cross multiply
298,108.23x = 447,176.69 × 98,424.19 - Step 4: Simplify right side
298,108.23x = 44,013,004,489.71 - Step 5: Solve for x
x = 44,013,004,489.71/298,108.23 - Step 6: Final answer
x = 147,641.03
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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.