Finding the Fourth Proportional to 254,259.56, 350,877.84 and 139,538.84
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Solution
The fourth proportional to 254,259.56, 350,877.84 and 139,538.84 is: 192,563.41
Step by Step Solution
- Step 1: Write the proportion equation
254,259.56 : 350,877.84 = 139,538.84 : x - Step 2: Convert to fraction form
254,259.56/350,877.84 = 139,538.84/x - Step 3: Cross multiply
254,259.56x = 350,877.84 × 139,538.84 - Step 4: Simplify right side
254,259.56x = 48,961,086,775.31 - Step 5: Solve for x
x = 48,961,086,775.31/254,259.56 - Step 6: Final answer
x = 192,563.41
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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.