Finding the Fourth Proportional to 302,328.70, 417,201.00 and 164,508.17
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Solution
The fourth proportional to 302,328.70, 417,201.00 and 164,508.17 is: 227,014.40
Step by Step Solution
- Step 1: Write the proportion equation
302,328.70 : 417,201.00 = 164,508.17 : x - Step 2: Convert to fraction form
302,328.70/417,201.00 = 164,508.17/x - Step 3: Cross multiply
302,328.70x = 417,201.00 × 164,508.17 - Step 4: Simplify right side
302,328.70x = 68,632,970,329.26 - Step 5: Solve for x
x = 68,632,970,329.26/302,328.70 - Step 6: Final answer
x = 227,014.40
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1.5x scale
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.