Finding the Fourth Proportional to 259,270.10, 357,957.88 and 211,636.70
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Solution
The fourth proportional to 259,270.10, 357,957.88 and 211,636.70 is: 292,193.45
Step by Step Solution
- Step 1: Write the proportion equation
259,270.10 : 357,957.88 = 211,636.70 : x - Step 2: Convert to fraction form
259,270.10/357,957.88 = 211,636.70/x - Step 3: Cross multiply
259,270.10x = 357,957.88 × 211,636.70 - Step 4: Simplify right side
259,270.10x = 75,757,024,462.20 - Step 5: Solve for x
x = 75,757,024,462.20/259,270.10 - Step 6: Final answer
x = 292,193.45
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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.