Finding the Fourth Proportional to 190,883.70, 286,252.65 and 57,719.70
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Solution
The fourth proportional to 190,883.70, 286,252.65 and 57,719.70 is: 86,557.51
Step by Step Solution
- Step 1: Write the proportion equation
190,883.70 : 286,252.65 = 57,719.70 : x - Step 2: Convert to fraction form
190,883.70/286,252.65 = 57,719.70/x - Step 3: Cross multiply
190,883.70x = 286,252.65 × 57,719.70 - Step 4: Simplify right side
190,883.70x = 16,522,417,082.21 - Step 5: Solve for x
x = 16,522,417,082.21/190,883.70 - Step 6: Final answer
x = 86,557.51
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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.