Finding the Fourth Proportional to 734,921.40, 1,102,382.10 and 236,335.80
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Solution
The fourth proportional to 734,921.40, 1,102,382.10 and 236,335.80 is: 354,503.70
Step by Step Solution
- Step 1: Write the proportion equation
734,921.40 : 1,102,382.10 = 236,335.80 : x - Step 2: Convert to fraction form
734,921.40/1,102,382.10 = 236,335.80/x - Step 3: Cross multiply
734,921.40x = 1,102,382.10 × 236,335.80 - Step 4: Simplify right side
734,921.40x = 260,532,355,509.18 - Step 5: Solve for x
x = 260,532,355,509.18/734,921.40 - Step 6: Final answer
x = 354,503.70
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Similar ratio
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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.