Finding the Fourth Proportional to 252,386.97, 348,294.28 and 144,977.79
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Solution
The fourth proportional to 252,386.97, 348,294.28 and 144,977.79 is: 200,069.50
Step by Step Solution
- Step 1: Write the proportion equation
252,386.97 : 348,294.28 = 144,977.79 : x - Step 2: Convert to fraction form
252,386.97/348,294.28 = 144,977.79/x - Step 3: Cross multiply
252,386.97x = 348,294.28 × 144,977.79 - Step 4: Simplify right side
252,386.97x = 50,494,934,984.04 - Step 5: Solve for x
x = 50,494,934,984.04/252,386.97 - Step 6: Final answer
x = 200,069.50
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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.