Finding the Fourth Proportional to 191,424.79, 286,415.75 and 114,202.23
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Solution
The fourth proportional to 191,424.79, 286,415.75 and 114,202.23 is: 170,872.94
Step by Step Solution
- Step 1: Write the proportion equation
191,424.79 : 286,415.75 = 114,202.23 : x - Step 2: Convert to fraction form
191,424.79/286,415.75 = 114,202.23/x - Step 3: Cross multiply
191,424.79x = 286,415.75 × 114,202.23 - Step 4: Simplify right side
191,424.79x = 32,709,316,731.73 - Step 5: Solve for x
x = 32,709,316,731.73/191,424.79 - Step 6: Final answer
x = 170,872.94
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1.5x scale
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.