Finding the Fourth Proportional to 129,263.25, 193,893.43 and 50,432.84
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Solution
The fourth proportional to 129,263.25, 193,893.43 and 50,432.84 is: 75,648.70
Step by Step Solution
- Step 1: Write the proportion equation
129,263.25 : 193,893.43 = 50,432.84 : x - Step 2: Convert to fraction form
129,263.25/193,893.43 = 50,432.84/x - Step 3: Cross multiply
129,263.25x = 193,893.43 × 50,432.84 - Step 4: Simplify right side
129,263.25x = 9,778,596,332.24 - Step 5: Solve for x
x = 9,778,596,332.24/129,263.25 - Step 6: Final answer
x = 75,648.70
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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.