Finding the Fourth Proportional to 439,146.99, 658,212.21 and 201,991.95
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Solution
The fourth proportional to 439,146.99, 658,212.21 and 201,991.95 is: 302,754.14
Step by Step Solution
- Step 1: Write the proportion equation
439,146.99 : 658,212.21 = 201,991.95 : x - Step 2: Convert to fraction form
439,146.99/658,212.21 = 201,991.95/x - Step 3: Cross multiply
439,146.99x = 658,212.21 × 201,991.95 - Step 4: Simplify right side
439,146.99x = 132,953,567,811.71 - Step 5: Solve for x
x = 132,953,567,811.71/439,146.99 - Step 6: Final answer
x = 302,754.14
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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.