Finding the Fourth Proportional to 286,708.94, 430,115.27 and 118,135.49
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Solution
The fourth proportional to 286,708.94, 430,115.27 and 118,135.49 is: 177,224.60
Step by Step Solution
- Step 1: Write the proportion equation
286,708.94 : 430,115.27 = 118,135.49 : x - Step 2: Convert to fraction form
286,708.94/430,115.27 = 118,135.49/x - Step 3: Cross multiply
286,708.94x = 430,115.27 × 118,135.49 - Step 4: Simplify right side
286,708.94x = 50,811,878,177.93 - Step 5: Solve for x
x = 50,811,878,177.93/286,708.94 - Step 6: Final answer
x = 177,224.60
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.