Finding the Fourth Proportional to 133,313.10, 199,969.65 and 97,883.70
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Solution
The fourth proportional to 133,313.10, 199,969.65 and 97,883.70 is: 146,825.55
Step by Step Solution
- Step 1: Write the proportion equation
133,313.10 : 199,969.65 = 97,883.70 : x - Step 2: Convert to fraction form
133,313.10/199,969.65 = 97,883.70/x - Step 3: Cross multiply
133,313.10x = 199,969.65 × 97,883.70 - Step 4: Simplify right side
133,313.10x = 19,573,769,229.71 - Step 5: Solve for x
x = 19,573,769,229.71/133,313.10 - Step 6: Final answer
x = 146,825.55
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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.