Finding the Fourth Proportional to 260,351.85, 390,451.21 and 110,590.95
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Solution
The fourth proportional to 260,351.85, 390,451.21 and 110,590.95 is: 165,853.90
Step by Step Solution
- Step 1: Write the proportion equation
260,351.85 : 390,451.21 = 110,590.95 : x - Step 2: Convert to fraction form
260,351.85/390,451.21 = 110,590.95/x - Step 3: Cross multiply
260,351.85x = 390,451.21 × 110,590.95 - Step 4: Simplify right side
260,351.85x = 43,180,370,242.55 - Step 5: Solve for x
x = 43,180,370,242.55/260,351.85 - Step 6: Final answer
x = 165,853.90
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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.