Finding the Fourth Proportional to 329,962.68, 455,348.79 and 179,059.68
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Solution
The fourth proportional to 329,962.68, 455,348.79 and 179,059.68 is: 247,102.52
Step by Step Solution
- Step 1: Write the proportion equation
329,962.68 : 455,348.79 = 179,059.68 : x - Step 2: Convert to fraction form
329,962.68/455,348.79 = 179,059.68/x - Step 3: Cross multiply
329,962.68x = 455,348.79 × 179,059.68 - Step 4: Simplify right side
329,962.68x = 81,534,608,625.79 - Step 5: Solve for x
x = 81,534,608,625.79/329,962.68 - Step 6: Final answer
x = 247,102.52
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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.