Finding the Fourth Proportional to 328,937.12, 453,941.52 and 201,682.88
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Solution
The fourth proportional to 328,937.12, 453,941.52 and 201,682.88 is: 278,327.46
Step by Step Solution
- Step 1: Write the proportion equation
328,937.12 : 453,941.52 = 201,682.88 : x - Step 2: Convert to fraction form
328,937.12/453,941.52 = 201,682.88/x - Step 3: Cross multiply
328,937.12x = 453,941.52 × 201,682.88 - Step 4: Simplify right side
328,937.12x = 91,552,233,105.18 - Step 5: Solve for x
x = 91,552,233,105.18/328,937.12 - Step 6: Final answer
x = 278,327.46
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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.