Finding the Fourth Proportional to 268,746.12, 403,368.39 and 135,720.03
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Solution
The fourth proportional to 268,746.12, 403,368.39 and 135,720.03 is: 203,705.90
Step by Step Solution
- Step 1: Write the proportion equation
268,746.12 : 403,368.39 = 135,720.03 : x - Step 2: Convert to fraction form
268,746.12/403,368.39 = 135,720.03/x - Step 3: Cross multiply
268,746.12x = 403,368.39 × 135,720.03 - Step 4: Simplify right side
268,746.12x = 54,745,169,991.85 - Step 5: Solve for x
x = 54,745,169,991.85/268,746.12 - Step 6: Final answer
x = 203,705.90
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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.