Finding the Fourth Proportional to 172,296.08, 258,444.12 and 53,967.84
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Solution
The fourth proportional to 172,296.08, 258,444.12 and 53,967.84 is: 80,951.76
Step by Step Solution
- Step 1: Write the proportion equation
172,296.08 : 258,444.12 = 53,967.84 : x - Step 2: Convert to fraction form
172,296.08/258,444.12 = 53,967.84/x - Step 3: Cross multiply
172,296.08x = 258,444.12 × 53,967.84 - Step 4: Simplify right side
172,296.08x = 13,947,670,917.10 - Step 5: Solve for x
x = 13,947,670,917.10/172,296.08 - Step 6: Final answer
x = 80,951.76
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1.5x scale
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.