Finding the Fourth Proportional to 183,419.21, 253,113.24 and 111,773.09
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Solution
The fourth proportional to 183,419.21, 253,113.24 and 111,773.09 is: 154,243.65
Step by Step Solution
- Step 1: Write the proportion equation
183,419.21 : 253,113.24 = 111,773.09 : x - Step 2: Convert to fraction form
183,419.21/253,113.24 = 111,773.09/x - Step 3: Cross multiply
183,419.21x = 253,113.24 × 111,773.09 - Step 4: Simplify right side
183,419.21x = 28,291,248,954.71 - Step 5: Solve for x
x = 28,291,248,954.71/183,419.21 - Step 6: Final answer
x = 154,243.65
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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.