Finding the Fourth Proportional to 355,673.80, 490,823.63 and 194,525.31
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Solution
The fourth proportional to 355,673.80, 490,823.63 and 194,525.31 is: 268,441.53
Step by Step Solution
- Step 1: Write the proportion equation
355,673.80 : 490,823.63 = 194,525.31 : x - Step 2: Convert to fraction form
355,673.80/490,823.63 = 194,525.31/x - Step 3: Cross multiply
355,673.80x = 490,823.63 × 194,525.31 - Step 4: Simplify right side
355,673.80x = 95,477,618,781.08 - Step 5: Solve for x
x = 95,477,618,781.08/355,673.80 - Step 6: Final answer
x = 268,441.53
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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.