Finding the Fourth Proportional to 259,203.70, 357,708.68 and 151,763.68
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Solution
The fourth proportional to 259,203.70, 357,708.68 and 151,763.68 is: 209,438.31
Step by Step Solution
- Step 1: Write the proportion equation
259,203.70 : 357,708.68 = 151,763.68 : x - Step 2: Convert to fraction form
259,203.70/357,708.68 = 151,763.68/x - Step 3: Cross multiply
259,203.70x = 357,708.68 × 151,763.68 - Step 4: Simplify right side
259,203.70x = 54,287,184,316.90 - Step 5: Solve for x
x = 54,287,184,316.90/259,203.70 - Step 6: Final answer
x = 209,438.31
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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.