Finding the Fourth Proportional to 370,781.11, 556,214.87 and 134,235.19
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Solution
The fourth proportional to 370,781.11, 556,214.87 and 134,235.19 is: 201,368.43
Step by Step Solution
- Step 1: Write the proportion equation
370,781.11 : 556,214.87 = 134,235.19 : x - Step 2: Convert to fraction form
370,781.11/556,214.87 = 134,235.19/x - Step 3: Cross multiply
370,781.11x = 556,214.87 × 134,235.19 - Step 4: Simplify right side
370,781.11x = 74,663,608,755.28 - Step 5: Solve for x
x = 74,663,608,755.28/370,781.11 - Step 6: Final answer
x = 201,368.43
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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.