Finding the Fourth Proportional to 259,585.21, 358,204.84 and 144,855.19
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Solution
The fourth proportional to 259,585.21, 358,204.84 and 144,855.19 is: 199,887.47
Step by Step Solution
- Step 1: Write the proportion equation
259,585.21 : 358,204.84 = 144,855.19 : x - Step 2: Convert to fraction form
259,585.21/358,204.84 = 144,855.19/x - Step 3: Cross multiply
259,585.21x = 358,204.84 × 144,855.19 - Step 4: Simplify right side
259,585.21x = 51,887,830,157.12 - Step 5: Solve for x
x = 51,887,830,157.12/259,585.21 - Step 6: Final answer
x = 199,887.47
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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.