Finding the Fourth Proportional to 461,789.68, 692,508.01 and 221,835.21
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Solution
The fourth proportional to 461,789.68, 692,508.01 and 221,835.21 is: 332,668.02
Step by Step Solution
- Step 1: Write the proportion equation
461,789.68 : 692,508.01 = 221,835.21 : x - Step 2: Convert to fraction form
461,789.68/692,508.01 = 221,835.21/x - Step 3: Cross multiply
461,789.68x = 692,508.01 × 221,835.21 - Step 4: Simplify right side
461,789.68x = 153,622,659,825.03 - Step 5: Solve for x
x = 153,622,659,825.03/461,789.68 - Step 6: Final answer
x = 332,668.02
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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.