Finding the Fourth Proportional to 169,237.76, 253,827.96 and 79,289.84
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Solution
The fourth proportional to 169,237.76, 253,827.96 and 79,289.84 is: 118,921.32
Step by Step Solution
- Step 1: Write the proportion equation
169,237.76 : 253,827.96 = 79,289.84 : x - Step 2: Convert to fraction form
169,237.76/253,827.96 = 79,289.84/x - Step 3: Cross multiply
169,237.76x = 253,827.96 × 79,289.84 - Step 4: Simplify right side
169,237.76x = 20,125,978,335.93 - Step 5: Solve for x
x = 20,125,978,335.93/169,237.76 - Step 6: Final answer
x = 118,921.32
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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.