Finding the Fourth Proportional to 248,417.28, 372,159.36 and 192,741.12
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Solution
The fourth proportional to 248,417.28, 372,159.36 and 192,741.12 is: 288,749.69
Step by Step Solution
- Step 1: Write the proportion equation
248,417.28 : 372,159.36 = 192,741.12 : x - Step 2: Convert to fraction form
248,417.28/372,159.36 = 192,741.12/x - Step 3: Cross multiply
248,417.28x = 372,159.36 × 192,741.12 - Step 4: Simplify right side
248,417.28x = 71,730,411,864.88 - Step 5: Solve for x
x = 71,730,411,864.88/248,417.28 - Step 6: Final answer
x = 288,749.69
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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.