Finding the Fourth Proportional to 317,266.75, 475,913.09 and 80,615.53
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Solution
The fourth proportional to 317,266.75, 475,913.09 and 80,615.53 is: 120,926.59
Step by Step Solution
- Step 1: Write the proportion equation
317,266.75 : 475,913.09 = 80,615.53 : x - Step 2: Convert to fraction form
317,266.75/475,913.09 = 80,615.53/x - Step 3: Cross multiply
317,266.75x = 475,913.09 × 80,615.53 - Step 4: Simplify right side
317,266.75x = 38,365,985,984.29 - Step 5: Solve for x
x = 38,365,985,984.29/317,266.75 - Step 6: Final answer
x = 120,926.59
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.