Finding the Fourth Proportional to 408,668.70, 613,026.11 and 124,368.52
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Solution
The fourth proportional to 408,668.70, 613,026.11 and 124,368.52 is: 186,559.80
Step by Step Solution
- Step 1: Write the proportion equation
408,668.70 : 613,026.11 = 124,368.52 : x - Step 2: Convert to fraction form
408,668.70/613,026.11 = 124,368.52/x - Step 3: Cross multiply
408,668.70x = 613,026.11 × 124,368.52 - Step 4: Simplify right side
408,668.70x = 76,241,150,022.06 - Step 5: Solve for x
x = 76,241,150,022.06/408,668.70 - Step 6: Final answer
x = 186,559.80
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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.