Finding the Fourth Proportional to 293,674.05, 440,511.08 and 258,682.05
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Solution
The fourth proportional to 293,674.05, 440,511.08 and 258,682.05 is: 388,023.08
Step by Step Solution
- Step 1: Write the proportion equation
293,674.05 : 440,511.08 = 258,682.05 : x - Step 2: Convert to fraction form
293,674.05/440,511.08 = 258,682.05/x - Step 3: Cross multiply
293,674.05x = 440,511.08 × 258,682.05 - Step 4: Simplify right side
293,674.05x = 113,952,307,928.70 - Step 5: Solve for x
x = 113,952,307,928.70/293,674.05 - Step 6: Final answer
x = 388,023.08
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1.5x scale
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.