Finding the Fourth Proportional to 266,077.80, 399,116.70 and 261,703.80
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Solution
The fourth proportional to 266,077.80, 399,116.70 and 261,703.80 is: 392,555.70
Step by Step Solution
- Step 1: Write the proportion equation
266,077.80 : 399,116.70 = 261,703.80 : x - Step 2: Convert to fraction form
266,077.80/399,116.70 = 261,703.80/x - Step 3: Cross multiply
266,077.80x = 399,116.70 × 261,703.80 - Step 4: Simplify right side
266,077.80x = 104,450,357,033.46 - Step 5: Solve for x
x = 104,450,357,033.46/266,077.80 - Step 6: Final answer
x = 392,555.70
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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.