Finding the Fourth Proportional to 329,982.63, 455,381.49 and 179,079.63
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Solution
The fourth proportional to 329,982.63, 455,381.49 and 179,079.63 is: 247,132.85
Step by Step Solution
- Step 1: Write the proportion equation
329,982.63 : 455,381.49 = 179,079.63 : x - Step 2: Convert to fraction form
329,982.63/455,381.49 = 179,079.63/x - Step 3: Cross multiply
329,982.63x = 455,381.49 × 179,079.63 - Step 4: Simplify right side
329,982.63x = 81,549,548,738.05 - Step 5: Solve for x
x = 81,549,548,738.05/329,982.63 - Step 6: Final answer
x = 247,132.85
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.