Finding the Fourth Proportional to 102,895.57, 154,349.36 and 39,716.02
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Solution
The fourth proportional to 102,895.57, 154,349.36 and 39,716.02 is: 59,576.35
Step by Step Solution
- Step 1: Write the proportion equation
102,895.57 : 154,349.36 = 39,716.02 : x - Step 2: Convert to fraction form
102,895.57/154,349.36 = 39,716.02/x - Step 3: Cross multiply
102,895.57x = 154,349.36 × 39,716.02 - Step 4: Simplify right side
102,895.57x = 6,130,142,268.75 - Step 5: Solve for x
x = 6,130,142,268.75/102,895.57 - Step 6: Final answer
x = 59,576.35
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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.