Finding the Fourth Proportional to 260,532.63, 390,985.56 and 110,878.05
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Solution
The fourth proportional to 260,532.63, 390,985.56 and 110,878.05 is: 166,396.50
Step by Step Solution
- Step 1: Write the proportion equation
260,532.63 : 390,985.56 = 110,878.05 : x - Step 2: Convert to fraction form
260,532.63/390,985.56 = 110,878.05/x - Step 3: Cross multiply
260,532.63x = 390,985.56 × 110,878.05 - Step 4: Simplify right side
260,532.63x = 43,351,716,470.96 - Step 5: Solve for x
x = 43,351,716,470.96/260,532.63 - Step 6: Final answer
x = 166,396.50
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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.