Finding the Fourth Proportional to 454,274.70, 626,899.14 and 263,398.80
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Solution
The fourth proportional to 454,274.70, 626,899.14 and 263,398.80 is: 363,490.38
Step by Step Solution
- Step 1: Write the proportion equation
454,274.70 : 626,899.14 = 263,398.80 : x - Step 2: Convert to fraction form
454,274.70/626,899.14 = 263,398.80/x - Step 3: Cross multiply
454,274.70x = 626,899.14 × 263,398.80 - Step 4: Simplify right side
454,274.70x = 165,124,481,197.03 - Step 5: Solve for x
x = 165,124,481,197.03/454,274.70 - Step 6: Final answer
x = 363,490.38
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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.