Finding the Fourth Proportional to 107,292.24, 160,938.36 and 57,220.64
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Solution
The fourth proportional to 107,292.24, 160,938.36 and 57,220.64 is: 85,830.95
Step by Step Solution
- Step 1: Write the proportion equation
107,292.24 : 160,938.36 = 57,220.64 : x - Step 2: Convert to fraction form
107,292.24/160,938.36 = 57,220.64/x - Step 3: Cross multiply
107,292.24x = 160,938.36 × 57,220.64 - Step 4: Simplify right side
107,292.24x = 9,208,995,155.06 - Step 5: Solve for x
x = 9,208,995,155.06/107,292.24 - Step 6: Final answer
x = 85,830.95
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1.5x scale
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.