Finding the Fourth Proportional to 317,683.62, 475,334.36 and 189,129.69
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Solution
The fourth proportional to 317,683.62, 475,334.36 and 189,129.69 is: 282,985.45
Step by Step Solution
- Step 1: Write the proportion equation
317,683.62 : 475,334.36 = 189,129.69 : x - Step 2: Convert to fraction form
317,683.62/475,334.36 = 189,129.69/x - Step 3: Cross multiply
317,683.62x = 475,334.36 × 189,129.69 - Step 4: Simplify right side
317,683.62x = 89,899,840,089.34 - Step 5: Solve for x
x = 89,899,840,089.34/317,683.62 - Step 6: Final answer
x = 282,985.45
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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.