Finding the Fourth Proportional to 248,689.08, 372,923.88 and 71,155.68
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Solution
The fourth proportional to 248,689.08, 372,923.88 and 71,155.68 is: 106,702.12
Step by Step Solution
- Step 1: Write the proportion equation
248,689.08 : 372,923.88 = 71,155.68 : x - Step 2: Convert to fraction form
248,689.08/372,923.88 = 71,155.68/x - Step 3: Cross multiply
248,689.08x = 372,923.88 × 71,155.68 - Step 4: Simplify right side
248,689.08x = 26,535,652,269.64 - Step 5: Solve for x
x = 26,535,652,269.64/248,689.08 - Step 6: Final answer
x = 106,702.12
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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.