Finding the Fourth Proportional to 273,235.30, 409,852.95 and 86,246.80
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Solution
The fourth proportional to 273,235.30, 409,852.95 and 86,246.80 is: 129,370.20
Step by Step Solution
- Step 1: Write the proportion equation
273,235.30 : 409,852.95 = 86,246.80 : x - Step 2: Convert to fraction form
273,235.30/409,852.95 = 86,246.80/x - Step 3: Cross multiply
273,235.30x = 409,852.95 × 86,246.80 - Step 4: Simplify right side
273,235.30x = 35,348,505,408.06 - Step 5: Solve for x
x = 35,348,505,408.06/273,235.30 - Step 6: Final answer
x = 129,370.20
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.