Finding the Fourth Proportional to 238,652.95, 329,342.30 and 131,229.94
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Solution
The fourth proportional to 238,652.95, 329,342.30 and 131,229.94 is: 181,097.99
Step by Step Solution
- Step 1: Write the proportion equation
238,652.95 : 329,342.30 = 131,229.94 : x - Step 2: Convert to fraction form
238,652.95/329,342.30 = 131,229.94/x - Step 3: Cross multiply
238,652.95x = 329,342.30 × 131,229.94 - Step 4: Simplify right side
238,652.95x = 43,219,570,268.46 - Step 5: Solve for x
x = 43,219,570,268.46/238,652.95 - Step 6: Final answer
x = 181,097.99
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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.