Finding the Fourth Proportional to 497,201.91, 686,138.64 and 270,847.41
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Solution
The fourth proportional to 497,201.91, 686,138.64 and 270,847.41 is: 373,769.42
Step by Step Solution
- Step 1: Write the proportion equation
497,201.91 : 686,138.64 = 270,847.41 : x - Step 2: Convert to fraction form
497,201.91/686,138.64 = 270,847.41/x - Step 3: Cross multiply
497,201.91x = 686,138.64 × 270,847.41 - Step 4: Simplify right side
497,201.91x = 185,838,869,956.23 - Step 5: Solve for x
x = 185,838,869,956.23/497,201.91 - Step 6: Final answer
x = 373,769.42
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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.