Finding the Fourth Proportional to 298,035.25, 447,053.78 and 73,400.99
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Solution
The fourth proportional to 298,035.25, 447,053.78 and 73,400.99 is: 110,101.70
Step by Step Solution
- Step 1: Write the proportion equation
298,035.25 : 447,053.78 = 73,400.99 : x - Step 2: Convert to fraction form
298,035.25/447,053.78 = 73,400.99/x - Step 3: Cross multiply
298,035.25x = 447,053.78 × 73,400.99 - Step 4: Simplify right side
298,035.25x = 32,814,187,983.48 - Step 5: Solve for x
x = 32,814,187,983.48/298,035.25 - Step 6: Final answer
x = 110,101.70
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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.