Finding the Fourth Proportional to 272,959.58, 409,669.42 and 115,301.18
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Solution
The fourth proportional to 272,959.58, 409,669.42 and 115,301.18 is: 173,048.95
Step by Step Solution
- Step 1: Write the proportion equation
272,959.58 : 409,669.42 = 115,301.18 : x - Step 2: Convert to fraction form
272,959.58/409,669.42 = 115,301.18/x - Step 3: Cross multiply
272,959.58x = 409,669.42 × 115,301.18 - Step 4: Simplify right side
272,959.58x = 47,235,367,535.92 - Step 5: Solve for x
x = 47,235,367,535.92/272,959.58 - Step 6: Final answer
x = 173,048.95
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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.