Finding the Fourth Proportional to 506,120.12, 759,165.34 and 132,143.08
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Solution
The fourth proportional to 506,120.12, 759,165.34 and 132,143.08 is: 198,210.75
Step by Step Solution
- Step 1: Write the proportion equation
506,120.12 : 759,165.34 = 132,143.08 : x - Step 2: Convert to fraction form
506,120.12/759,165.34 = 132,143.08/x - Step 3: Cross multiply
506,120.12x = 759,165.34 × 132,143.08 - Step 4: Simplify right side
506,120.12x = 100,318,446,256.85 - Step 5: Solve for x
x = 100,318,446,256.85/506,120.12 - Step 6: Final answer
x = 198,210.75
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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.