Finding the Fourth Proportional to 212,812.66, 293,682.36 and 117,317.26
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Solution
The fourth proportional to 212,812.66, 293,682.36 and 117,317.26 is: 161,898.31
Step by Step Solution
- Step 1: Write the proportion equation
212,812.66 : 293,682.36 = 117,317.26 : x - Step 2: Convert to fraction form
212,812.66/293,682.36 = 117,317.26/x - Step 3: Cross multiply
212,812.66x = 293,682.36 × 117,317.26 - Step 4: Simplify right side
212,812.66x = 34,454,009,785.53 - Step 5: Solve for x
x = 34,454,009,785.53/212,812.66 - Step 6: Final answer
x = 161,898.31
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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.