Finding the Fourth Proportional to 419,307.36, 628,767.40 and 134,944.96
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Solution
The fourth proportional to 419,307.36, 628,767.40 and 134,944.96 is: 202,355.12
Step by Step Solution
- Step 1: Write the proportion equation
419,307.36 : 628,767.40 = 134,944.96 : x - Step 2: Convert to fraction form
419,307.36/628,767.40 = 134,944.96/x - Step 3: Cross multiply
419,307.36x = 628,767.40 × 134,944.96 - Step 4: Simplify right side
419,307.36x = 84,848,991,642.30 - Step 5: Solve for x
x = 84,848,991,642.30/419,307.36 - Step 6: Final answer
x = 202,355.12
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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.