Finding the Fourth Proportional to 497,198.34, 686,130.12 and 270,843.84
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Solution
The fourth proportional to 497,198.34, 686,130.12 and 270,843.84 is: 373,762.54
Step by Step Solution
- Step 1: Write the proportion equation
497,198.34 : 686,130.12 = 270,843.84 : x - Step 2: Convert to fraction form
497,198.34/686,130.12 = 270,843.84/x - Step 3: Cross multiply
497,198.34x = 686,130.12 × 270,843.84 - Step 4: Simplify right side
497,198.34x = 185,834,116,440.46 - Step 5: Solve for x
x = 185,834,116,440.46/497,198.34 - Step 6: Final answer
x = 373,762.54
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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.