Finding the Fourth Proportional to 399,021.21, 598,525.49 and 185,669.80
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Solution
The fourth proportional to 399,021.21, 598,525.49 and 185,669.80 is: 278,501.75
Step by Step Solution
- Step 1: Write the proportion equation
399,021.21 : 598,525.49 = 185,669.80 : x - Step 2: Convert to fraction form
399,021.21/598,525.49 = 185,669.80/x - Step 3: Cross multiply
399,021.21x = 598,525.49 × 185,669.80 - Step 4: Simplify right side
399,021.21x = 111,128,106,991.06 - Step 5: Solve for x
x = 111,128,106,991.06/399,021.21 - Step 6: Final answer
x = 278,501.75
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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.