Finding the Fourth Proportional to 260,577.68, 390,923.91 and 148,310.75
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Solution
The fourth proportional to 260,577.68, 390,923.91 and 148,310.75 is: 222,498.79
Step by Step Solution
- Step 1: Write the proportion equation
260,577.68 : 390,923.91 = 148,310.75 : x - Step 2: Convert to fraction form
260,577.68/390,923.91 = 148,310.75/x - Step 3: Cross multiply
260,577.68x = 390,923.91 × 148,310.75 - Step 4: Simplify right side
260,577.68x = 57,978,218,285.03 - Step 5: Solve for x
x = 57,978,218,285.03/260,577.68 - Step 6: Final answer
x = 222,498.79
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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.