Finding the Fourth Proportional to 302,880.02, 417,682.94 and 199,328.99
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Solution
The fourth proportional to 302,880.02, 417,682.94 and 199,328.99 is: 274,882.17
Step by Step Solution
- Step 1: Write the proportion equation
302,880.02 : 417,682.94 = 199,328.99 : x - Step 2: Convert to fraction form
302,880.02/417,682.94 = 199,328.99/x - Step 3: Cross multiply
302,880.02x = 417,682.94 × 199,328.99 - Step 4: Simplify right side
302,880.02x = 83,256,318,649.00 - Step 5: Solve for x
x = 83,256,318,649.00/302,880.02 - Step 6: Final answer
x = 274,882.17
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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.