Finding the Fourth Proportional to 74,265.03, 102,486.24 and 40,273.68
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Solution
The fourth proportional to 74,265.03, 102,486.24 and 40,273.68 is: 55,577.95
Step by Step Solution
- Step 1: Write the proportion equation
74,265.03 : 102,486.24 = 40,273.68 : x - Step 2: Convert to fraction form
74,265.03/102,486.24 = 40,273.68/x - Step 3: Cross multiply
74,265.03x = 102,486.24 × 40,273.68 - Step 4: Simplify right side
74,265.03x = 4,127,498,034.16 - Step 5: Solve for x
x = 4,127,498,034.16/74,265.03 - Step 6: Final answer
x = 55,577.95
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.