Finding the Fourth Proportional to 165,295.24, 228,217.28 and 126,986.56
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Solution
The fourth proportional to 165,295.24, 228,217.28 and 126,986.56 is: 175,325.84
Step by Step Solution
- Step 1: Write the proportion equation
165,295.24 : 228,217.28 = 126,986.56 : x - Step 2: Convert to fraction form
165,295.24/228,217.28 = 126,986.56/x - Step 3: Cross multiply
165,295.24x = 228,217.28 × 126,986.56 - Step 4: Simplify right side
165,295.24x = 28,980,527,319.76 - Step 5: Solve for x
x = 28,980,527,319.76/165,295.24 - Step 6: Final answer
x = 175,325.84
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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.