Finding the Fourth Proportional to 294,404.64, 441,621.36 and 84,073.92
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Solution
The fourth proportional to 294,404.64, 441,621.36 and 84,073.92 is: 126,114.99
Step by Step Solution
- Step 1: Write the proportion equation
294,404.64 : 441,621.36 = 84,073.92 : x - Step 2: Convert to fraction form
294,404.64/441,621.36 = 84,073.92/x - Step 3: Cross multiply
294,404.64x = 441,621.36 × 84,073.92 - Step 4: Simplify right side
294,404.64x = 37,128,838,890.93 - Step 5: Solve for x
x = 37,128,838,890.93/294,404.64 - Step 6: Final answer
x = 126,114.99
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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.