Finding the Fourth Proportional to 330,007.08, 455,409.66 and 179,104.08
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Solution
The fourth proportional to 330,007.08, 455,409.66 and 179,104.08 is: 247,163.57
Step by Step Solution
- Step 1: Write the proportion equation
330,007.08 : 455,409.66 = 179,104.08 : x - Step 2: Convert to fraction form
330,007.08/455,409.66 = 179,104.08/x - Step 3: Cross multiply
330,007.08x = 455,409.66 × 179,104.08 - Step 4: Simplify right side
330,007.08x = 81,565,728,177.41 - Step 5: Solve for x
x = 81,565,728,177.41/330,007.08 - Step 6: Final answer
x = 247,163.57
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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.