Finding the Fourth Proportional to 171,228.14, 236,278.73 and 115,924.98
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Solution
The fourth proportional to 171,228.14, 236,278.73 and 115,924.98 is: 159,965.57
Step by Step Solution
- Step 1: Write the proportion equation
171,228.14 : 236,278.73 = 115,924.98 : x - Step 2: Convert to fraction form
171,228.14/236,278.73 = 115,924.98/x - Step 3: Cross multiply
171,228.14x = 236,278.73 × 115,924.98 - Step 4: Simplify right side
171,228.14x = 27,390,606,470.05 - Step 5: Solve for x
x = 27,390,606,470.05/171,228.14 - Step 6: Final answer
x = 159,965.57
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1.5x scale
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.