Finding the Fourth Proportional to 259,361.23, 357,911.36 and 144,643.36
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Solution
The fourth proportional to 259,361.23, 357,911.36 and 144,643.36 is: 199,603.85
Step by Step Solution
- Step 1: Write the proportion equation
259,361.23 : 357,911.36 = 144,643.36 : x - Step 2: Convert to fraction form
259,361.23/357,911.36 = 144,643.36/x - Step 3: Cross multiply
259,361.23x = 357,911.36 × 144,643.36 - Step 4: Simplify right side
259,361.23x = 51,769,499,903.01 - Step 5: Solve for x
x = 51,769,499,903.01/259,361.23 - Step 6: Final answer
x = 199,603.85
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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.