Finding the Fourth Proportional to 194,491.80, 291,737.70 and 46,747.80
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Solution
The fourth proportional to 194,491.80, 291,737.70 and 46,747.80 is: 70,121.70
Step by Step Solution
- Step 1: Write the proportion equation
194,491.80 : 291,737.70 = 46,747.80 : x - Step 2: Convert to fraction form
194,491.80/291,737.70 = 46,747.80/x - Step 3: Cross multiply
194,491.80x = 291,737.70 × 46,747.80 - Step 4: Simplify right side
194,491.80x = 13,638,095,652.06 - Step 5: Solve for x
x = 13,638,095,652.06/194,491.80 - Step 6: Final answer
x = 70,121.70
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1.5x scale
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.