Finding the Fourth Proportional to 386,741.74, 580,128.30 and 184,233.70
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Solution
The fourth proportional to 386,741.74, 580,128.30 and 184,233.70 is: 276,358.02
Step by Step Solution
- Step 1: Write the proportion equation
386,741.74 : 580,128.30 = 184,233.70 : x - Step 2: Convert to fraction form
386,741.74/580,128.30 = 184,233.70/x - Step 3: Cross multiply
386,741.74x = 580,128.30 × 184,233.70 - Step 4: Simplify right side
386,741.74x = 106,879,183,183.71 - Step 5: Solve for x
x = 106,879,183,183.71/386,741.74 - Step 6: Final answer
x = 276,358.02
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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.