Finding the Fourth Proportional to 453,740.80, 680,902.80 and 264,200.80
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Solution
The fourth proportional to 453,740.80, 680,902.80 and 264,200.80 is: 396,470.99
Step by Step Solution
- Step 1: Write the proportion equation
453,740.80 : 680,902.80 = 264,200.80 : x - Step 2: Convert to fraction form
453,740.80/680,902.80 = 264,200.80/x - Step 3: Cross multiply
453,740.80x = 680,902.80 × 264,200.80 - Step 4: Simplify right side
453,740.80x = 179,895,064,482.24 - Step 5: Solve for x
x = 179,895,064,482.24/453,740.80 - Step 6: Final answer
x = 396,470.99
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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.