Finding the Fourth Proportional to 286,555.19, 395,447.94 and 179,188.07
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Solution
The fourth proportional to 286,555.19, 395,447.94 and 179,188.07 is: 247,280.65
Step by Step Solution
- Step 1: Write the proportion equation
286,555.19 : 395,447.94 = 179,188.07 : x - Step 2: Convert to fraction form
286,555.19/395,447.94 = 179,188.07/x - Step 3: Cross multiply
286,555.19x = 395,447.94 × 179,188.07 - Step 4: Simplify right side
286,555.19x = 70,859,551,176.84 - Step 5: Solve for x
x = 70,859,551,176.84/286,555.19 - Step 6: Final answer
x = 247,280.65
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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.