Finding the Fourth Proportional to 479,143.62, 718,559.91 and 159,209.55
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Solution
The fourth proportional to 479,143.62, 718,559.91 and 159,209.55 is: 238,762.65
Step by Step Solution
- Step 1: Write the proportion equation
479,143.62 : 718,559.91 = 159,209.55 : x - Step 2: Convert to fraction form
479,143.62/718,559.91 = 159,209.55/x - Step 3: Cross multiply
479,143.62x = 718,559.91 × 159,209.55 - Step 4: Simplify right side
479,143.62x = 114,401,599,919.14 - Step 5: Solve for x
x = 114,401,599,919.14/479,143.62 - Step 6: Final answer
x = 238,762.65
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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.