Finding the Fourth Proportional to 259,442.13, 357,893.97 and 211,098.03
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Solution
The fourth proportional to 259,442.13, 357,893.97 and 211,098.03 is: 291,204.49
Step by Step Solution
- Step 1: Write the proportion equation
259,442.13 : 357,893.97 = 211,098.03 : x - Step 2: Convert to fraction form
259,442.13/357,893.97 = 211,098.03/x - Step 3: Cross multiply
259,442.13x = 357,893.97 × 211,098.03 - Step 4: Simplify right side
259,442.13x = 75,550,712,015.88 - Step 5: Solve for x
x = 75,550,712,015.88/259,442.13 - Step 6: Final answer
x = 291,204.49
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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.