Finding the Fourth Proportional to 260,059.71, 358,333.16 and 231,456.99
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Solution
The fourth proportional to 260,059.71, 358,333.16 and 231,456.99 is: 318,921.81
Step by Step Solution
- Step 1: Write the proportion equation
260,059.71 : 358,333.16 = 231,456.99 : x - Step 2: Convert to fraction form
260,059.71/358,333.16 = 231,456.99/x - Step 3: Cross multiply
260,059.71x = 358,333.16 × 231,456.99 - Step 4: Simplify right side
260,059.71x = 82,938,713,473.50 - Step 5: Solve for x
x = 82,938,713,473.50/260,059.71 - Step 6: Final answer
x = 318,921.81
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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.