Finding the Fourth Proportional to 186,448.26, 257,289.75 and 105,865.23
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Solution
The fourth proportional to 186,448.26, 257,289.75 and 105,865.23 is: 146,088.99
Step by Step Solution
- Step 1: Write the proportion equation
186,448.26 : 257,289.75 = 105,865.23 : x - Step 2: Convert to fraction form
186,448.26/257,289.75 = 105,865.23/x - Step 3: Cross multiply
186,448.26x = 257,289.75 × 105,865.23 - Step 4: Simplify right side
186,448.26x = 27,238,038,560.39 - Step 5: Solve for x
x = 27,238,038,560.39/186,448.26 - Step 6: Final answer
x = 146,088.99
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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.