Finding the Fourth Proportional to 149,014.24, 205,624.93 and 84,470.75
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Solution
The fourth proportional to 149,014.24, 205,624.93 and 84,470.75 is: 116,561.28
Step by Step Solution
- Step 1: Write the proportion equation
149,014.24 : 205,624.93 = 84,470.75 : x - Step 2: Convert to fraction form
149,014.24/205,624.93 = 84,470.75/x - Step 3: Cross multiply
149,014.24x = 205,624.93 × 84,470.75 - Step 4: Simplify right side
149,014.24x = 17,369,291,745.97 - Step 5: Solve for x
x = 17,369,291,745.97/149,014.24 - Step 6: Final answer
x = 116,561.28
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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.