Finding the Fourth Proportional to 347,866.10, 521,107.95 and 189,811.70
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Solution
The fourth proportional to 347,866.10, 521,107.95 and 189,811.70 is: 284,340.40
Step by Step Solution
- Step 1: Write the proportion equation
347,866.10 : 521,107.95 = 189,811.70 : x - Step 2: Convert to fraction form
347,866.10/521,107.95 = 189,811.70/x - Step 3: Cross multiply
347,866.10x = 521,107.95 × 189,811.70 - Step 4: Simplify right side
347,866.10x = 98,912,385,873.02 - Step 5: Solve for x
x = 98,912,385,873.02/347,866.10 - Step 6: Final answer
x = 284,340.40
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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.