Finding the Fourth Proportional to 235,487.03, 324,857.84 and 139,926.06
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Solution
The fourth proportional to 235,487.03, 324,857.84 and 139,926.06 is: 193,030.07
Step by Step Solution
- Step 1: Write the proportion equation
235,487.03 : 324,857.84 = 139,926.06 : x - Step 2: Convert to fraction form
235,487.03/324,857.84 = 139,926.06/x - Step 3: Cross multiply
235,487.03x = 324,857.84 × 139,926.06 - Step 4: Simplify right side
235,487.03x = 45,456,076,911.68 - Step 5: Solve for x
x = 45,456,076,911.68/235,487.03 - Step 6: Final answer
x = 193,030.07
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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.