Finding the Fourth Proportional to 298,324.36, 447,379.98 and 98,607.88
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Solution
The fourth proportional to 298,324.36, 447,379.98 and 98,607.88 is: 147,876.60
Step by Step Solution
- Step 1: Write the proportion equation
298,324.36 : 447,379.98 = 98,607.88 : x - Step 2: Convert to fraction form
298,324.36/447,379.98 = 98,607.88/x - Step 3: Cross multiply
298,324.36x = 447,379.98 × 98,607.88 - Step 4: Simplify right side
298,324.36x = 44,115,191,382.24 - Step 5: Solve for x
x = 44,115,191,382.24/298,324.36 - Step 6: Final answer
x = 147,876.60
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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.