Finding the Fourth Proportional to 342,213.14, 513,319.70 and 92,895.14
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Solution
The fourth proportional to 342,213.14, 513,319.70 and 92,895.14 is: 139,342.71
Step by Step Solution
- Step 1: Write the proportion equation
342,213.14 : 513,319.70 = 92,895.14 : x - Step 2: Convert to fraction form
342,213.14/513,319.70 = 92,895.14/x - Step 3: Cross multiply
342,213.14x = 513,319.70 × 92,895.14 - Step 4: Simplify right side
342,213.14x = 47,684,905,396.26 - Step 5: Solve for x
x = 47,684,905,396.26/342,213.14 - Step 6: Final answer
x = 139,342.71
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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.