Finding the Fourth Proportional to 378,852.04, 522,883.55 and 225,900.08
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Solution
The fourth proportional to 378,852.04, 522,883.55 and 225,900.08 is: 311,782.49
Step by Step Solution
- Step 1: Write the proportion equation
378,852.04 : 522,883.55 = 225,900.08 : x - Step 2: Convert to fraction form
378,852.04/522,883.55 = 225,900.08/x - Step 3: Cross multiply
378,852.04x = 522,883.55 × 225,900.08 - Step 4: Simplify right side
378,852.04x = 118,119,432,031.77 - Step 5: Solve for x
x = 118,119,432,031.77/378,852.04 - Step 6: Final answer
x = 311,782.49
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.