Finding the Fourth Proportional to 342,310.80, 513,028.80 and 164,434.80
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Solution
The fourth proportional to 342,310.80, 513,028.80 and 164,434.80 is: 246,442.09
Step by Step Solution
- Step 1: Write the proportion equation
342,310.80 : 513,028.80 = 164,434.80 : x - Step 2: Convert to fraction form
342,310.80/513,028.80 = 164,434.80/x - Step 3: Cross multiply
342,310.80x = 513,028.80 × 164,434.80 - Step 4: Simplify right side
342,310.80x = 84,359,788,122.24 - Step 5: Solve for x
x = 84,359,788,122.24/342,310.80 - Step 6: Final answer
x = 246,442.09
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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.