Finding the Fourth Proportional to 240,593.75, 332,106.86 and 139,991.75
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Solution
The fourth proportional to 240,593.75, 332,106.86 and 139,991.75 is: 193,239.52
Step by Step Solution
- Step 1: Write the proportion equation
240,593.75 : 332,106.86 = 139,991.75 : x - Step 2: Convert to fraction form
240,593.75/332,106.86 = 139,991.75/x - Step 3: Cross multiply
240,593.75x = 332,106.86 × 139,991.75 - Step 4: Simplify right side
240,593.75x = 46,492,220,518.41 - Step 5: Solve for x
x = 46,492,220,518.41/240,593.75 - Step 6: Final answer
x = 193,239.52
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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.