Finding the Fourth Proportional to 672,881.99, 1,009,150.52 and 199,456.63
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Solution
The fourth proportional to 672,881.99, 1,009,150.52 and 199,456.63 is: 299,133.82
Step by Step Solution
- Step 1: Write the proportion equation
672,881.99 : 1,009,150.52 = 199,456.63 : x - Step 2: Convert to fraction form
672,881.99/1,009,150.52 = 199,456.63/x - Step 3: Cross multiply
672,881.99x = 1,009,150.52 × 199,456.63 - Step 4: Simplify right side
672,881.99x = 201,281,758,361.79 - Step 5: Solve for x
x = 201,281,758,361.79/672,881.99 - Step 6: Final answer
x = 299,133.82
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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.