Finding the Fourth Proportional to 385,865.56, 578,934.42 and 119,693.08
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Solution
The fourth proportional to 385,865.56, 578,934.42 and 119,693.08 is: 179,581.83
Step by Step Solution
- Step 1: Write the proportion equation
385,865.56 : 578,934.42 = 119,693.08 : x - Step 2: Convert to fraction form
385,865.56/578,934.42 = 119,693.08/x - Step 3: Cross multiply
385,865.56x = 578,934.42 × 119,693.08 - Step 4: Simplify right side
385,865.56x = 69,294,443,847.81 - Step 5: Solve for x
x = 69,294,443,847.81/385,865.56 - Step 6: Final answer
x = 179,581.83
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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.