Finding the Fourth Proportional to 337,138.32, 465,343.56 and 209,737.92
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Solution
The fourth proportional to 337,138.32, 465,343.56 and 209,737.92 is: 289,495.99
Step by Step Solution
- Step 1: Write the proportion equation
337,138.32 : 465,343.56 = 209,737.92 : x - Step 2: Convert to fraction form
337,138.32/465,343.56 = 209,737.92/x - Step 3: Cross multiply
337,138.32x = 465,343.56 × 209,737.92 - Step 4: Simplify right side
337,138.32x = 97,600,190,359.80 - Step 5: Solve for x
x = 97,600,190,359.80/337,138.32 - Step 6: Final answer
x = 289,495.99
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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.