Finding the Fourth Proportional to 385,199.99, 577,486.80 and 160,727.61
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Solution
The fourth proportional to 385,199.99, 577,486.80 and 160,727.61 is: 240,960.74
Step by Step Solution
- Step 1: Write the proportion equation
385,199.99 : 577,486.80 = 160,727.61 : x - Step 2: Convert to fraction form
385,199.99/577,486.80 = 160,727.61/x - Step 3: Cross multiply
385,199.99x = 577,486.80 × 160,727.61 - Step 4: Simplify right side
385,199.99x = 92,818,073,170.55 - Step 5: Solve for x
x = 92,818,073,170.55/385,199.99 - Step 6: Final answer
x = 240,960.74
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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.