Finding the Fourth Proportional to 301,362.24, 415,937.28 and 199,389.76
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Solution
The fourth proportional to 301,362.24, 415,937.28 and 199,389.76 is: 275,195.84
Step by Step Solution
- Step 1: Write the proportion equation
301,362.24 : 415,937.28 = 199,389.76 : x - Step 2: Convert to fraction form
301,362.24/415,937.28 = 199,389.76/x - Step 3: Cross multiply
301,362.24x = 415,937.28 × 199,389.76 - Step 4: Simplify right side
301,362.24x = 82,933,634,434.25 - Step 5: Solve for x
x = 82,933,634,434.25/301,362.24 - Step 6: Final answer
x = 275,195.84
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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.