Finding the Fourth Proportional to 614,106.12, 847,453.68 and 342,172.92
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Solution
The fourth proportional to 614,106.12, 847,453.68 and 342,172.92 is: 472,191.52
Step by Step Solution
- Step 1: Write the proportion equation
614,106.12 : 847,453.68 = 342,172.92 : x - Step 2: Convert to fraction form
614,106.12/847,453.68 = 342,172.92/x - Step 3: Cross multiply
614,106.12x = 847,453.68 × 342,172.92 - Step 4: Simplify right side
614,106.12x = 289,975,700,250.35 - Step 5: Solve for x
x = 289,975,700,250.35/614,106.12 - Step 6: Final answer
x = 472,191.52
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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.