Finding the Fourth Proportional to 149,660.80, 224,491.20 and 130,415.20
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Solution
The fourth proportional to 149,660.80, 224,491.20 and 130,415.20 is: 195,622.80
Step by Step Solution
- Step 1: Write the proportion equation
149,660.80 : 224,491.20 = 130,415.20 : x - Step 2: Convert to fraction form
149,660.80/224,491.20 = 130,415.20/x - Step 3: Cross multiply
149,660.80x = 224,491.20 × 130,415.20 - Step 4: Simplify right side
149,660.80x = 29,277,064,746.24 - Step 5: Solve for x
x = 29,277,064,746.24/149,660.80 - Step 6: Final answer
x = 195,622.80
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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.