Finding the Fourth Proportional to 303,330.99, 455,050.08 and 103,604.70
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Solution
The fourth proportional to 303,330.99, 455,050.08 and 103,604.70 is: 155,425.36
Step by Step Solution
- Step 1: Write the proportion equation
303,330.99 : 455,050.08 = 103,604.70 : x - Step 2: Convert to fraction form
303,330.99/455,050.08 = 103,604.70/x - Step 3: Cross multiply
303,330.99x = 455,050.08 × 103,604.70 - Step 4: Simplify right side
303,330.99x = 47,145,327,023.38 - Step 5: Solve for x
x = 47,145,327,023.38/303,330.99 - Step 6: Final answer
x = 155,425.36
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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.