Finding the Fourth Proportional to 506,402.70, 759,604.05 and 132,425.70
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Solution
The fourth proportional to 506,402.70, 759,604.05 and 132,425.70 is: 198,638.55
Step by Step Solution
- Step 1: Write the proportion equation
506,402.70 : 759,604.05 = 132,425.70 : x - Step 2: Convert to fraction form
506,402.70/759,604.05 = 132,425.70/x - Step 3: Cross multiply
506,402.70x = 759,604.05 × 132,425.70 - Step 4: Simplify right side
506,402.70x = 100,591,098,044.09 - Step 5: Solve for x
x = 100,591,098,044.09/506,402.70 - Step 6: Final answer
x = 198,638.55
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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.