Finding the Fourth Proportional to 302,995.28, 418,135.56 and 168,867.92
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Solution
The fourth proportional to 302,995.28, 418,135.56 and 168,867.92 is: 233,038.89
Step by Step Solution
- Step 1: Write the proportion equation
302,995.28 : 418,135.56 = 168,867.92 : x - Step 2: Convert to fraction form
302,995.28/418,135.56 = 168,867.92/x - Step 3: Cross multiply
302,995.28x = 418,135.56 × 168,867.92 - Step 4: Simplify right side
302,995.28x = 70,609,682,295.24 - Step 5: Solve for x
x = 70,609,682,295.24/302,995.28 - Step 6: Final answer
x = 233,038.89
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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.