Finding the Fourth Proportional to 286,708.96, 430,115.28 and 118,135.51
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Solution
The fourth proportional to 286,708.96, 430,115.28 and 118,135.51 is: 177,224.63
Step by Step Solution
- Step 1: Write the proportion equation
286,708.96 : 430,115.28 = 118,135.51 : x - Step 2: Convert to fraction form
286,708.96/430,115.28 = 118,135.51/x - Step 3: Cross multiply
286,708.96x = 430,115.28 × 118,135.51 - Step 4: Simplify right side
286,708.96x = 50,811,887,961.59 - Step 5: Solve for x
x = 50,811,887,961.59/286,708.96 - Step 6: Final answer
x = 177,224.63
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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.