Finding the Fourth Proportional to 260,159.93, 389,929.27 and 133,860.68
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Solution
The fourth proportional to 260,159.93, 389,929.27 and 133,860.68 is: 200,631.19
Step by Step Solution
- Step 1: Write the proportion equation
260,159.93 : 389,929.27 = 133,860.68 : x - Step 2: Convert to fraction form
260,159.93/389,929.27 = 133,860.68/x - Step 3: Cross multiply
260,159.93x = 389,929.27 × 133,860.68 - Step 4: Simplify right side
260,159.93x = 52,196,197,234.10 - Step 5: Solve for x
x = 52,196,197,234.10/260,159.93 - Step 6: Final answer
x = 200,631.19
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.