Finding the Fourth Proportional to 479,881.63, 719,268.76 and 180,171.05
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Solution
The fourth proportional to 479,881.63, 719,268.76 and 180,171.05 is: 270,048.70
Step by Step Solution
- Step 1: Write the proportion equation
479,881.63 : 719,268.76 = 180,171.05 : x - Step 2: Convert to fraction form
479,881.63/719,268.76 = 180,171.05/x - Step 3: Cross multiply
479,881.63x = 719,268.76 × 180,171.05 - Step 4: Simplify right side
479,881.63x = 129,591,408,396.16 - Step 5: Solve for x
x = 129,591,408,396.16/479,881.63 - Step 6: Final answer
x = 270,048.70
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.