Finding the Fourth Proportional to 342,626.99, 513,938.86 and 228,533.63
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Solution
The fourth proportional to 342,626.99, 513,938.86 and 228,533.63 is: 342,799.36
Step by Step Solution
- Step 1: Write the proportion equation
342,626.99 : 513,938.86 = 228,533.63 : x - Step 2: Convert to fraction form
342,626.99/513,938.86 = 228,533.63/x - Step 3: Cross multiply
342,626.99x = 513,938.86 × 228,533.63 - Step 4: Simplify right side
342,626.99x = 117,452,310,132.83 - Step 5: Solve for x
x = 117,452,310,132.83/342,626.99 - Step 6: Final answer
x = 342,799.36
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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.