Finding the Fourth Proportional to 249,728.30, 374,514.36 and 83,477.42
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Solution
The fourth proportional to 249,728.30, 374,514.36 and 83,477.42 is: 125,190.03
Step by Step Solution
- Step 1: Write the proportion equation
249,728.30 : 374,514.36 = 83,477.42 : x - Step 2: Convert to fraction form
249,728.30/374,514.36 = 83,477.42/x - Step 3: Cross multiply
249,728.30x = 374,514.36 × 83,477.42 - Step 4: Simplify right side
249,728.30x = 31,263,492,525.75 - Step 5: Solve for x
x = 31,263,492,525.75/249,728.30 - Step 6: Final answer
x = 125,190.03
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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.