Finding the Fourth Proportional to 263,141.24, 363,135.17 and 142,282.50
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Solution
The fourth proportional to 263,141.24, 363,135.17 and 142,282.50 is: 196,349.99
Step by Step Solution
- Step 1: Write the proportion equation
263,141.24 : 363,135.17 = 142,282.50 : x - Step 2: Convert to fraction form
263,141.24/363,135.17 = 142,282.50/x - Step 3: Cross multiply
263,141.24x = 363,135.17 × 142,282.50 - Step 4: Simplify right side
263,141.24x = 51,667,779,905.17 - Step 5: Solve for x
x = 51,667,779,905.17/263,141.24 - Step 6: Final answer
x = 196,349.99
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.