Finding the Fourth Proportional to 143,396.99, 214,901.73 and 54,602.06
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Solution
The fourth proportional to 143,396.99, 214,901.73 and 54,602.06 is: 81,829.31
Step by Step Solution
- Step 1: Write the proportion equation
143,396.99 : 214,901.73 = 54,602.06 : x - Step 2: Convert to fraction form
143,396.99/214,901.73 = 54,602.06/x - Step 3: Cross multiply
143,396.99x = 214,901.73 × 54,602.06 - Step 4: Simplify right side
143,396.99x = 11,734,077,155.56 - Step 5: Solve for x
x = 11,734,077,155.56/143,396.99 - Step 6: Final answer
x = 81,829.31
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.