Finding the Fourth Proportional to 175,869.12, 263,840.58 and 57,531.18
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Solution
The fourth proportional to 175,869.12, 263,840.58 and 57,531.18 is: 86,308.84
Step by Step Solution
- Step 1: Write the proportion equation
175,869.12 : 263,840.58 = 57,531.18 : x - Step 2: Convert to fraction form
175,869.12/263,840.58 = 57,531.18/x - Step 3: Cross multiply
175,869.12x = 263,840.58 × 57,531.18 - Step 4: Simplify right side
175,869.12x = 15,179,059,899.28 - Step 5: Solve for x
x = 15,179,059,899.28/175,869.12 - Step 6: Final answer
x = 86,308.84
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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.