Finding the Fourth Proportional to 526,131.99, 725,896.70 and 321,970.08
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Solution
The fourth proportional to 526,131.99, 725,896.70 and 321,970.08 is: 444,217.46
Step by Step Solution
- Step 1: Write the proportion equation
526,131.99 : 725,896.70 = 321,970.08 : x - Step 2: Convert to fraction form
526,131.99/725,896.70 = 321,970.08/x - Step 3: Cross multiply
526,131.99x = 725,896.70 × 321,970.08 - Step 4: Simplify right side
526,131.99x = 233,717,016,960.89 - Step 5: Solve for x
x = 233,717,016,960.89/526,131.99 - Step 6: Final answer
x = 444,217.46
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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.