Finding the Fourth Proportional to 260,540.35, 390,406.99 and 180,733.53
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Solution
The fourth proportional to 260,540.35, 390,406.99 and 180,733.53 is: 270,820.37
Step by Step Solution
- Step 1: Write the proportion equation
260,540.35 : 390,406.99 = 180,733.53 : x - Step 2: Convert to fraction form
260,540.35/390,406.99 = 180,733.53/x - Step 3: Cross multiply
260,540.35x = 390,406.99 × 180,733.53 - Step 4: Simplify right side
260,540.35x = 70,559,632,594.40 - Step 5: Solve for x
x = 70,559,632,594.40/260,540.35 - Step 6: Final answer
x = 270,820.37
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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.