Finding the Fourth Proportional to 298,447.74, 447,720.21 and 88,106.94
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Solution
The fourth proportional to 298,447.74, 447,720.21 and 88,106.94 is: 132,174.76
Step by Step Solution
- Step 1: Write the proportion equation
298,447.74 : 447,720.21 = 88,106.94 : x - Step 2: Convert to fraction form
298,447.74/447,720.21 = 88,106.94/x - Step 3: Cross multiply
298,447.74x = 447,720.21 × 88,106.94 - Step 4: Simplify right side
298,447.74x = 39,447,257,679.26 - Step 5: Solve for x
x = 39,447,257,679.26/298,447.74 - Step 6: Final answer
x = 132,174.76
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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.