Finding the Fourth Proportional to 402,566.80, 603,331.80 and 191,750.80
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Solution
The fourth proportional to 402,566.80, 603,331.80 and 191,750.80 is: 287,379.28
Step by Step Solution
- Step 1: Write the proportion equation
402,566.80 : 603,331.80 = 191,750.80 : x - Step 2: Convert to fraction form
402,566.80/603,331.80 = 191,750.80/x - Step 3: Cross multiply
402,566.80x = 603,331.80 × 191,750.80 - Step 4: Simplify right side
402,566.80x = 115,689,355,315.44 - Step 5: Solve for x
x = 115,689,355,315.44/402,566.80 - Step 6: Final answer
x = 287,379.28
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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.