Finding the Fourth Proportional to 222,568.79, 307,285.11 and 154,564.02
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Solution
The fourth proportional to 222,568.79, 307,285.11 and 154,564.02 is: 213,395.70
Step by Step Solution
- Step 1: Write the proportion equation
222,568.79 : 307,285.11 = 154,564.02 : x - Step 2: Convert to fraction form
222,568.79/307,285.11 = 154,564.02/x - Step 3: Cross multiply
222,568.79x = 307,285.11 × 154,564.02 - Step 4: Simplify right side
222,568.79x = 47,495,221,887.74 - Step 5: Solve for x
x = 47,495,221,887.74/222,568.79 - Step 6: Final answer
x = 213,395.70
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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.