Finding the Fourth Proportional to 351,272.80, 526,908.42 and 271,426.87
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Solution
The fourth proportional to 351,272.80, 526,908.42 and 271,426.87 is: 407,139.70
Step by Step Solution
- Step 1: Write the proportion equation
351,272.80 : 526,908.42 = 271,426.87 : x - Step 2: Convert to fraction form
351,272.80/526,908.42 = 271,426.87/x - Step 3: Cross multiply
351,272.80x = 526,908.42 × 271,426.87 - Step 4: Simplify right side
351,272.80x = 143,017,103,217.25 - Step 5: Solve for x
x = 143,017,103,217.25/351,272.80 - Step 6: Final answer
x = 407,139.70
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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.