Finding the Fourth Proportional to 1,101,430.10, 1,652,243.57 and 343,278
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Solution
The fourth proportional to 1,101,430.10, 1,652,243.57 and 343,278 is: 514,947.67
Step by Step Solution
- Step 1: Write the proportion equation
1,101,430.10 : 1,652,243.57 = 343,278 : x - Step 2: Convert to fraction form
1,101,430.10/1,652,243.57 = 343,278/x - Step 3: Cross multiply
1,101,430.10x = 1,652,243.57 × 343,278 - Step 4: Simplify right side
1,101,430.10x = 567,178,867,793.36 - Step 5: Solve for x
x = 567,178,867,793.36/1,101,430.10 - Step 6: Final answer
x = 514,947.67
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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.