Finding the Fourth Proportional to 191,206.99, 263,865.86 and 106,322.23
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Solution
The fourth proportional to 191,206.99, 263,865.86 and 106,322.23 is: 146,724.79
Step by Step Solution
- Step 1: Write the proportion equation
191,206.99 : 263,865.86 = 106,322.23 : x - Step 2: Convert to fraction form
191,206.99/263,865.86 = 106,322.23/x - Step 3: Cross multiply
191,206.99x = 263,865.86 × 106,322.23 - Step 4: Simplify right side
191,206.99x = 28,054,804,805.13 - Step 5: Solve for x
x = 28,054,804,805.13/191,206.99 - Step 6: Final answer
x = 146,724.79
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1.5x scale
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.