Finding the Fourth Proportional to 474,480.84, 711,721.71 and 193,998.09
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Solution
The fourth proportional to 474,480.84, 711,721.71 and 193,998.09 is: 290,997.32
Step by Step Solution
- Step 1: Write the proportion equation
474,480.84 : 711,721.71 = 193,998.09 : x - Step 2: Convert to fraction form
474,480.84/711,721.71 = 193,998.09/x - Step 3: Cross multiply
474,480.84x = 711,721.71 × 193,998.09 - Step 4: Simplify right side
474,480.84x = 138,072,652,351.53 - Step 5: Solve for x
x = 138,072,652,351.53/474,480.84 - Step 6: Final answer
x = 290,997.32
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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.