Finding the Fourth Proportional to 329,855.80, 455,201.88 and 178,952.80
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Solution
The fourth proportional to 329,855.80, 455,201.88 and 178,952.80 is: 246,955.34
Step by Step Solution
- Step 1: Write the proportion equation
329,855.80 : 455,201.88 = 178,952.80 : x - Step 2: Convert to fraction form
329,855.80/455,201.88 = 178,952.80/x - Step 3: Cross multiply
329,855.80x = 455,201.88 × 178,952.80 - Step 4: Simplify right side
329,855.80x = 81,459,650,991.26 - Step 5: Solve for x
x = 81,459,650,991.26/329,855.80 - Step 6: Final answer
x = 246,955.34
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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.