Finding the Fourth Proportional to 211,028.23, 291,246.69 and 120,363.41
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Solution
The fourth proportional to 211,028.23, 291,246.69 and 120,363.41 is: 166,117.32
Step by Step Solution
- Step 1: Write the proportion equation
211,028.23 : 291,246.69 = 120,363.41 : x - Step 2: Convert to fraction form
211,028.23/291,246.69 = 120,363.41/x - Step 3: Cross multiply
211,028.23x = 291,246.69 × 120,363.41 - Step 4: Simplify right side
211,028.23x = 35,055,444,395.55 - Step 5: Solve for x
x = 35,055,444,395.55/211,028.23 - Step 6: Final answer
x = 166,117.32
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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.