Finding the Fourth Proportional to 242,655.46, 363,984.06 and 74,175.12
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Solution
The fourth proportional to 242,655.46, 363,984.06 and 74,175.12 is: 111,262.95
Step by Step Solution
- Step 1: Write the proportion equation
242,655.46 : 363,984.06 = 74,175.12 : x - Step 2: Convert to fraction form
242,655.46/363,984.06 = 74,175.12/x - Step 3: Cross multiply
242,655.46x = 363,984.06 × 74,175.12 - Step 4: Simplify right side
242,655.46x = 26,998,561,328.59 - Step 5: Solve for x
x = 26,998,561,328.59/242,655.46 - Step 6: Final answer
x = 111,262.95
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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.