Finding the Fourth Proportional to 190,652.64, 285,980.99 and 57,534.08
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Solution
The fourth proportional to 190,652.64, 285,980.99 and 57,534.08 is: 86,301.72
Step by Step Solution
- Step 1: Write the proportion equation
190,652.64 : 285,980.99 = 57,534.08 : x - Step 2: Convert to fraction form
190,652.64/285,980.99 = 57,534.08/x - Step 3: Cross multiply
190,652.64x = 285,980.99 × 57,534.08 - Step 4: Simplify right side
190,652.64x = 16,453,651,439.56 - Step 5: Solve for x
x = 16,453,651,439.56/190,652.64 - Step 6: Final answer
x = 86,301.72
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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.