Finding the Fourth Proportional to 259,184.21, 357,674.64 and 144,460.26
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Solution
The fourth proportional to 259,184.21, 357,674.64 and 144,460.26 is: 199,355.40
Step by Step Solution
- Step 1: Write the proportion equation
259,184.21 : 357,674.64 = 144,460.26 : x - Step 2: Convert to fraction form
259,184.21/357,674.64 = 144,460.26/x - Step 3: Cross multiply
259,184.21x = 357,674.64 × 144,460.26 - Step 4: Simplify right side
259,184.21x = 51,669,770,948.08 - Step 5: Solve for x
x = 51,669,770,948.08/259,184.21 - Step 6: Final answer
x = 199,355.40
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1.5x scale
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.