Finding the Fourth Proportional to 235,693.84, 325,254.12 and 129,709.84
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Solution
The fourth proportional to 235,693.84, 325,254.12 and 129,709.84 is: 178,997.72
Step by Step Solution
- Step 1: Write the proportion equation
235,693.84 : 325,254.12 = 129,709.84 : x - Step 2: Convert to fraction form
235,693.84/325,254.12 = 129,709.84/x - Step 3: Cross multiply
235,693.84x = 325,254.12 × 129,709.84 - Step 4: Simplify right side
235,693.84x = 42,188,659,864.54 - Step 5: Solve for x
x = 42,188,659,864.54/235,693.84 - Step 6: Final answer
x = 178,997.72
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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.