Finding the Fourth Proportional to 149,572.30, 224,232.61 and 69,569.62
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Solution
The fourth proportional to 149,572.30, 224,232.61 and 69,569.62 is: 104,295.90
Step by Step Solution
- Step 1: Write the proportion equation
149,572.30 : 224,232.61 = 69,569.62 : x - Step 2: Convert to fraction form
149,572.30/224,232.61 = 69,569.62/x - Step 3: Cross multiply
149,572.30x = 224,232.61 × 69,569.62 - Step 4: Simplify right side
149,572.30x = 15,599,777,469.31 - Step 5: Solve for x
x = 15,599,777,469.31/149,572.30 - Step 6: Final answer
x = 104,295.90
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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.