Finding the Fourth Proportional to 356,709.12, 492,258.47 and 195,560.70
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Solution
The fourth proportional to 356,709.12, 492,258.47 and 195,560.70 is: 269,873.70
Step by Step Solution
- Step 1: Write the proportion equation
356,709.12 : 492,258.47 = 195,560.70 : x - Step 2: Convert to fraction form
356,709.12/492,258.47 = 195,560.70/x - Step 3: Cross multiply
356,709.12x = 492,258.47 × 195,560.70 - Step 4: Simplify right side
356,709.12x = 96,266,409,996.33 - Step 5: Solve for x
x = 96,266,409,996.33/356,709.12 - Step 6: Final answer
x = 269,873.70
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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.