Finding the Fourth Proportional to 342,140.80, 513,064.41 and 117,523.84
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Solution
The fourth proportional to 342,140.80, 513,064.41 and 117,523.84 is: 176,235.34
Step by Step Solution
- Step 1: Write the proportion equation
342,140.80 : 513,064.41 = 117,523.84 : x - Step 2: Convert to fraction form
342,140.80/513,064.41 = 117,523.84/x - Step 3: Cross multiply
342,140.80x = 513,064.41 × 117,523.84 - Step 4: Simplify right side
342,140.80x = 60,297,299,630.53 - Step 5: Solve for x
x = 60,297,299,630.53/342,140.80 - Step 6: Final answer
x = 176,235.34
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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.