Finding the Fourth Proportional to 330,201.75, 455,678.43 and 179,298.75
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Solution
The fourth proportional to 330,201.75, 455,678.43 and 179,298.75 is: 247,432.28
Step by Step Solution
- Step 1: Write the proportion equation
330,201.75 : 455,678.43 = 179,298.75 : x - Step 2: Convert to fraction form
330,201.75/455,678.43 = 179,298.75/x - Step 3: Cross multiply
330,201.75x = 455,678.43 × 179,298.75 - Step 4: Simplify right side
330,201.75x = 81,702,572,900.96 - Step 5: Solve for x
x = 81,702,572,900.96/330,201.75 - Step 6: Final answer
x = 247,432.28
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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.