Finding the Fourth Proportional to 193,235.80, 289,853.70 and 88,259.80
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Solution
The fourth proportional to 193,235.80, 289,853.70 and 88,259.80 is: 132,389.70
Step by Step Solution
- Step 1: Write the proportion equation
193,235.80 : 289,853.70 = 88,259.80 : x - Step 2: Convert to fraction form
193,235.80/289,853.70 = 88,259.80/x - Step 3: Cross multiply
193,235.80x = 289,853.70 × 88,259.80 - Step 4: Simplify right side
193,235.80x = 25,582,429,591.26 - Step 5: Solve for x
x = 25,582,429,591.26/193,235.80 - Step 6: Final answer
x = 132,389.70
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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.