Finding the Fourth Proportional to 358,478.60, 538,106.70 and 201,014.60
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Solution
The fourth proportional to 358,478.60, 538,106.70 and 201,014.60 is: 301,739.92
Step by Step Solution
- Step 1: Write the proportion equation
358,478.60 : 538,106.70 = 201,014.60 : x - Step 2: Convert to fraction form
358,478.60/538,106.70 = 201,014.60/x - Step 3: Cross multiply
358,478.60x = 538,106.70 × 201,014.60 - Step 4: Simplify right side
358,478.60x = 108,167,303,057.82 - Step 5: Solve for x
x = 108,167,303,057.82/358,478.60 - Step 6: Final answer
x = 301,739.92
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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.