Finding the Fourth Proportional to 515,382.24, 773,146.28 and 160,432.12
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Solution
The fourth proportional to 515,382.24, 773,146.28 and 160,432.12 is: 240,670.88
Step by Step Solution
- Step 1: Write the proportion equation
515,382.24 : 773,146.28 = 160,432.12 : x - Step 2: Convert to fraction form
515,382.24/773,146.28 = 160,432.12/x - Step 3: Cross multiply
515,382.24x = 773,146.28 × 160,432.12 - Step 4: Simplify right side
515,382.24x = 124,037,496,770.51 - Step 5: Solve for x
x = 124,037,496,770.51/515,382.24 - Step 6: Final answer
x = 240,670.88
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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.