Finding the Fourth Proportional to 195,585.84, 269,888.76 and 110,688.12
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Solution
The fourth proportional to 195,585.84, 269,888.76 and 110,688.12 is: 152,738.46
Step by Step Solution
- Step 1: Write the proportion equation
195,585.84 : 269,888.76 = 110,688.12 : x - Step 2: Convert to fraction form
195,585.84/269,888.76 = 110,688.12/x - Step 3: Cross multiply
195,585.84x = 269,888.76 × 110,688.12 - Step 4: Simplify right side
195,585.84x = 29,873,479,453.53 - Step 5: Solve for x
x = 29,873,479,453.53/195,585.84 - Step 6: Final answer
x = 152,738.46
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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.