Finding the Fourth Proportional to 187,544.25, 258,812.28 and 106,970.94
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Solution
The fourth proportional to 187,544.25, 258,812.28 and 106,970.94 is: 147,620.59
Step by Step Solution
- Step 1: Write the proportion equation
187,544.25 : 258,812.28 = 106,970.94 : x - Step 2: Convert to fraction form
187,544.25/258,812.28 = 106,970.94/x - Step 3: Cross multiply
187,544.25x = 258,812.28 × 106,970.94 - Step 4: Simplify right side
187,544.25x = 27,685,392,875.14 - Step 5: Solve for x
x = 27,685,392,875.14/187,544.25 - Step 6: Final answer
x = 147,620.59
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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.