Finding the Fourth Proportional to 260,120.44, 390,103.70 and 110,358.84
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Solution
The fourth proportional to 260,120.44, 390,103.70 and 110,358.84 is: 165,505.61
Step by Step Solution
- Step 1: Write the proportion equation
260,120.44 : 390,103.70 = 110,358.84 : x - Step 2: Convert to fraction form
260,120.44/390,103.70 = 110,358.84/x - Step 3: Cross multiply
260,120.44x = 390,103.70 × 110,358.84 - Step 4: Simplify right side
260,120.44x = 43,051,391,811.71 - Step 5: Solve for x
x = 43,051,391,811.71/260,120.44 - Step 6: Final answer
x = 165,505.61
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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.