Finding the Fourth Proportional to 247,235.02, 341,191.06 and 139,821.12
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Solution
The fourth proportional to 247,235.02, 341,191.06 and 139,821.12 is: 192,956.95
Step by Step Solution
- Step 1: Write the proportion equation
247,235.02 : 341,191.06 = 139,821.12 : x - Step 2: Convert to fraction form
247,235.02/341,191.06 = 139,821.12/x - Step 3: Cross multiply
247,235.02x = 341,191.06 × 139,821.12 - Step 4: Simplify right side
247,235.02x = 47,705,716,143.19 - Step 5: Solve for x
x = 47,705,716,143.19/247,235.02 - Step 6: Final answer
x = 192,956.95
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1.5x scale
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.