Finding the Fourth Proportional to 406,090.75, 560,409.66 and 224,805.70
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Solution
The fourth proportional to 406,090.75, 560,409.66 and 224,805.70 is: 310,234.32
Step by Step Solution
- Step 1: Write the proportion equation
406,090.75 : 560,409.66 = 224,805.70 : x - Step 2: Convert to fraction form
406,090.75/560,409.66 = 224,805.70/x - Step 3: Cross multiply
406,090.75x = 560,409.66 × 224,805.70 - Step 4: Simplify right side
406,090.75x = 125,983,285,903.06 - Step 5: Solve for x
x = 125,983,285,903.06/406,090.75 - Step 6: Final answer
x = 310,234.32
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.