Finding the Fourth Proportional to 414,359.98, 621,539.98 and 274,085.80
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Solution
The fourth proportional to 414,359.98, 621,539.98 and 274,085.80 is: 411,128.70
Step by Step Solution
- Step 1: Write the proportion equation
414,359.98 : 621,539.98 = 274,085.80 : x - Step 2: Convert to fraction form
414,359.98/621,539.98 = 274,085.80/x - Step 3: Cross multiply
414,359.98x = 621,539.98 × 274,085.80 - Step 4: Simplify right side
414,359.98x = 170,355,280,411.22 - Step 5: Solve for x
x = 170,355,280,411.22/414,359.98 - Step 6: Final answer
x = 411,128.70
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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.