Finding the Fourth Proportional to 147,473.26, 221,214.79 and 40,858.29
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Solution
The fourth proportional to 147,473.26, 221,214.79 and 40,858.29 is: 61,288.79
Step by Step Solution
- Step 1: Write the proportion equation
147,473.26 : 221,214.79 = 40,858.29 : x - Step 2: Convert to fraction form
147,473.26/221,214.79 = 40,858.29/x - Step 3: Cross multiply
147,473.26x = 221,214.79 × 40,858.29 - Step 4: Simplify right side
147,473.26x = 9,038,457,978.27 - Step 5: Solve for x
x = 9,038,457,978.27/147,473.26 - Step 6: Final answer
x = 61,288.79
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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.