Finding the Fourth Proportional to 197,268.84, 295,709.43 and 77,237.76
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Solution
The fourth proportional to 197,268.84, 295,709.43 and 77,237.76 is: 115,780.75
Step by Step Solution
- Step 1: Write the proportion equation
197,268.84 : 295,709.43 = 77,237.76 : x - Step 2: Convert to fraction form
197,268.84/295,709.43 = 77,237.76/x - Step 3: Cross multiply
197,268.84x = 295,709.43 × 77,237.76 - Step 4: Simplify right side
197,268.84x = 22,839,933,984.08 - Step 5: Solve for x
x = 22,839,933,984.08/197,268.84 - Step 6: Final answer
x = 115,780.75
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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.