Finding the Fourth Proportional to 186,447.93, 257,278.97 and 104,763.21
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Solution
The fourth proportional to 186,447.93, 257,278.97 and 104,763.21 is: 144,562.45
Step by Step Solution
- Step 1: Write the proportion equation
186,447.93 : 257,278.97 = 104,763.21 : x - Step 2: Convert to fraction form
186,447.93/257,278.97 = 104,763.21/x - Step 3: Cross multiply
186,447.93x = 257,278.97 × 104,763.21 - Step 4: Simplify right side
186,447.93x = 26,953,370,238.88 - Step 5: Solve for x
x = 26,953,370,238.88/186,447.93 - Step 6: Final answer
x = 144,562.45
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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.