Finding the Fourth Proportional to 366,529.80, 549,794.70 and 129,896.40
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Solution
The fourth proportional to 366,529.80, 549,794.70 and 129,896.40 is: 194,844.60
Step by Step Solution
- Step 1: Write the proportion equation
366,529.80 : 549,794.70 = 129,896.40 : x - Step 2: Convert to fraction form
366,529.80/549,794.70 = 129,896.40/x - Step 3: Cross multiply
366,529.80x = 549,794.70 × 129,896.40 - Step 4: Simplify right side
366,529.80x = 71,416,352,269.08 - Step 5: Solve for x
x = 71,416,352,269.08/366,529.80 - Step 6: Final answer
x = 194,844.60
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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.