Finding the Fourth Proportional to 191,158.68, 286,719.47 and 58,040.09
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Solution
The fourth proportional to 191,158.68, 286,719.47 and 58,040.09 is: 87,054.50
Step by Step Solution
- Step 1: Write the proportion equation
191,158.68 : 286,719.47 = 58,040.09 : x - Step 2: Convert to fraction form
191,158.68/286,719.47 = 58,040.09/x - Step 3: Cross multiply
191,158.68x = 286,719.47 × 58,040.09 - Step 4: Simplify right side
191,158.68x = 16,641,222,769.44 - Step 5: Solve for x
x = 16,641,222,769.44/191,158.68 - Step 6: Final answer
x = 87,054.50
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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.