Finding the Fourth Proportional to 122,246.55, 171,378.45 and 122,246.55
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Solution
The fourth proportional to 122,246.55, 171,378.45 and 122,246.55 is: 171,378.45
Step by Step Solution
- Step 1: Write the proportion equation
122,246.55 : 171,378.45 = 122,246.55 : x - Step 2: Convert to fraction form
122,246.55/171,378.45 = 122,246.55/x - Step 3: Cross multiply
122,246.55x = 171,378.45 × 122,246.55 - Step 4: Simplify right side
122,246.55x = 20,950,424,256.85 - Step 5: Solve for x
x = 20,950,424,256.85/122,246.55 - Step 6: Final answer
x = 171,378.45
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Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.