Finding the Fourth Proportional to 148,509.45, 204,810.12 and 116,622.99
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Solution
The fourth proportional to 148,509.45, 204,810.12 and 116,622.99 is: 160,835.34
Step by Step Solution
- Step 1: Write the proportion equation
148,509.45 : 204,810.12 = 116,622.99 : x - Step 2: Convert to fraction form
148,509.45/204,810.12 = 116,622.99/x - Step 3: Cross multiply
148,509.45x = 204,810.12 × 116,622.99 - Step 4: Simplify right side
148,509.45x = 23,885,568,576.66 - Step 5: Solve for x
x = 23,885,568,576.66/148,509.45 - Step 6: Final answer
x = 160,835.34
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.