Finding the Fourth Proportional to 533,366.40, 799,987.99 and 133,976.76
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Solution
The fourth proportional to 533,366.40, 799,987.99 and 133,976.76 is: 200,949.66
Step by Step Solution
- Step 1: Write the proportion equation
533,366.40 : 799,987.99 = 133,976.76 : x - Step 2: Convert to fraction form
533,366.40/799,987.99 = 133,976.76/x - Step 3: Cross multiply
533,366.40x = 799,987.99 × 133,976.76 - Step 4: Simplify right side
533,366.40x = 107,179,798,939.11 - Step 5: Solve for x
x = 107,179,798,939.11/533,366.40 - Step 6: Final answer
x = 200,949.66
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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.