Finding the Fourth Proportional to 259,189.11, 357,637.61 and 144,442.62
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Solution
The fourth proportional to 259,189.11, 357,637.61 and 144,442.62 is: 199,306.65
Step by Step Solution
- Step 1: Write the proportion equation
259,189.11 : 357,637.61 = 144,442.62 : x - Step 2: Convert to fraction form
259,189.11/357,637.61 = 144,442.62/x - Step 3: Cross multiply
259,189.11x = 357,637.61 × 144,442.62 - Step 4: Simplify right side
259,189.11x = 51,658,112,676.73 - Step 5: Solve for x
x = 51,658,112,676.73/259,189.11 - Step 6: Final answer
x = 199,306.65
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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.