Finding the Fourth Proportional to 200,202,404.80, 300,303,607.20 and 157,204,235.20
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Solution
The fourth proportional to 200,202,404.80, 300,303,607.20 and 157,204,235.20 is: 235,806,352.80
Step by Step Solution
- Step 1: Write the proportion equation
200,202,404.80 : 300,303,607.20 = 157,204,235.20 : x - Step 2: Convert to fraction form
200,202,404.80/300,303,607.20 = 157,204,235.20/x - Step 3: Cross multiply
200,202,404.80x = 300,303,607.20 × 157,204,235.20 - Step 4: Simplify right side
200,202,404.80x = 47,208,998,897,677,208 - Step 5: Solve for x
x = 47,208,998,897,677,208/200,202,404.80 - Step 6: Final answer
x = 235,806,352.80
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1.5x scale
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.