Finding the Fourth Proportional to 296,749.74, 409,288.68 and 255,427.08
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Solution
The fourth proportional to 296,749.74, 409,288.68 and 255,427.08 is: 352,294.87
Step by Step Solution
- Step 1: Write the proportion equation
296,749.74 : 409,288.68 = 255,427.08 : x - Step 2: Convert to fraction form
296,749.74/409,288.68 = 255,427.08/x - Step 3: Cross multiply
296,749.74x = 409,288.68 × 255,427.08 - Step 4: Simplify right side
296,749.74x = 104,543,412,409.45 - Step 5: Solve for x
x = 104,543,412,409.45/296,749.74 - Step 6: Final answer
x = 352,294.87
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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.