Finding the Fourth Proportional to 107,323.10, 160,831.05 and 74,452.70
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Solution
The fourth proportional to 107,323.10, 160,831.05 and 74,452.70 is: 111,572.49
Step by Step Solution
- Step 1: Write the proportion equation
107,323.10 : 160,831.05 = 74,452.70 : x - Step 2: Convert to fraction form
107,323.10/160,831.05 = 74,452.70/x - Step 3: Cross multiply
107,323.10x = 160,831.05 × 74,452.70 - Step 4: Simplify right side
107,323.10x = 11,974,305,916.34 - Step 5: Solve for x
x = 11,974,305,916.34/107,323.10 - Step 6: Final answer
x = 111,572.49
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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.