Finding the Fourth Proportional to 342,868.60, 513,905.46 and 202,745.08
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Solution
The fourth proportional to 342,868.60, 513,905.46 and 202,745.08 is: 303,882.61
Step by Step Solution
- Step 1: Write the proportion equation
342,868.60 : 513,905.46 = 202,745.08 : x - Step 2: Convert to fraction form
342,868.60/513,905.46 = 202,745.08/x - Step 3: Cross multiply
342,868.60x = 513,905.46 × 202,745.08 - Step 4: Simplify right side
342,868.60x = 104,191,803,600.14 - Step 5: Solve for x
x = 104,191,803,600.14/342,868.60 - Step 6: Final answer
x = 303,882.61
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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.