Finding the Fourth Proportional to 474,089.72, 711,135.26 and 193,606.96
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Solution
The fourth proportional to 474,089.72, 711,135.26 and 193,606.96 is: 290,410.72
Step by Step Solution
- Step 1: Write the proportion equation
474,089.72 : 711,135.26 = 193,606.96 : x - Step 2: Convert to fraction form
474,089.72/711,135.26 = 193,606.96/x - Step 3: Cross multiply
474,089.72x = 711,135.26 × 193,606.96 - Step 4: Simplify right side
474,089.72x = 137,680,735,837.41 - Step 5: Solve for x
x = 137,680,735,837.41/474,089.72 - Step 6: Final answer
x = 290,410.72
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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.