Finding the Fourth Proportional to 219,974.06, 303,564.21 and 119,372.06
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Solution
The fourth proportional to 219,974.06, 303,564.21 and 119,372.06 is: 164,733.45
Step by Step Solution
- Step 1: Write the proportion equation
219,974.06 : 303,564.21 = 119,372.06 : x - Step 2: Convert to fraction form
219,974.06/303,564.21 = 119,372.06/x - Step 3: Cross multiply
219,974.06x = 303,564.21 × 119,372.06 - Step 4: Simplify right side
219,974.06x = 36,237,085,401.24 - Step 5: Solve for x
x = 36,237,085,401.24/219,974.06 - Step 6: Final answer
x = 164,733.45
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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.