Finding the Fourth Proportional to 364,276.80, 546,415.20 and 187,129.80
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Solution
The fourth proportional to 364,276.80, 546,415.20 and 187,129.80 is: 280,694.70
Step by Step Solution
- Step 1: Write the proportion equation
364,276.80 : 546,415.20 = 187,129.80 : x - Step 2: Convert to fraction form
364,276.80/546,415.20 = 187,129.80/x - Step 3: Cross multiply
364,276.80x = 546,415.20 × 187,129.80 - Step 4: Simplify right side
364,276.80x = 102,250,567,092.96 - Step 5: Solve for x
x = 102,250,567,092.96/364,276.80 - Step 6: Final answer
x = 280,694.70
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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.