Finding the Fourth Proportional to 133,233.80, 199,850.70 and 112,497.80
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Solution
The fourth proportional to 133,233.80, 199,850.70 and 112,497.80 is: 168,746.70
Step by Step Solution
- Step 1: Write the proportion equation
133,233.80 : 199,850.70 = 112,497.80 : x - Step 2: Convert to fraction form
133,233.80/199,850.70 = 112,497.80/x - Step 3: Cross multiply
133,233.80x = 199,850.70 × 112,497.80 - Step 4: Simplify right side
133,233.80x = 22,482,764,078.46 - Step 5: Solve for x
x = 22,482,764,078.46/133,233.80 - Step 6: Final answer
x = 168,746.70
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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.