Finding the Fourth Proportional to 329,931.36, 494,456.40 and 171,828.32
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Solution
The fourth proportional to 329,931.36, 494,456.40 and 171,828.32 is: 257,512.99
Step by Step Solution
- Step 1: Write the proportion equation
329,931.36 : 494,456.40 = 171,828.32 : x - Step 2: Convert to fraction form
329,931.36/494,456.40 = 171,828.32/x - Step 3: Cross multiply
329,931.36x = 494,456.40 × 171,828.32 - Step 4: Simplify right side
329,931.36x = 84,961,612,525.25 - Step 5: Solve for x
x = 84,961,612,525.25/329,931.36 - Step 6: Final answer
x = 257,512.99
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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.