Finding the Fourth Proportional to 103,533.93, 155,277.81 and 40,355.75
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Solution
The fourth proportional to 103,533.93, 155,277.81 and 40,355.75 is: 60,524.63
Step by Step Solution
- Step 1: Write the proportion equation
103,533.93 : 155,277.81 = 40,355.75 : x - Step 2: Convert to fraction form
103,533.93/155,277.81 = 40,355.75/x - Step 3: Cross multiply
103,533.93x = 155,277.81 × 40,355.75 - Step 4: Simplify right side
103,533.93x = 6,266,352,869.10 - Step 5: Solve for x
x = 6,266,352,869.10/103,533.93 - Step 6: Final answer
x = 60,524.63
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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.