Finding the Fourth Proportional to 347,959.62, 521,811.42 and 120,197.28
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Solution
The fourth proportional to 347,959.62, 521,811.42 and 120,197.28 is: 180,251.70
Step by Step Solution
- Step 1: Write the proportion equation
347,959.62 : 521,811.42 = 120,197.28 : x - Step 2: Convert to fraction form
347,959.62/521,811.42 = 120,197.28/x - Step 3: Cross multiply
347,959.62x = 521,811.42 × 120,197.28 - Step 4: Simplify right side
347,959.62x = 62,720,312,661.60 - Step 5: Solve for x
x = 62,720,312,661.60/347,959.62 - Step 6: Final answer
x = 180,251.70
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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.