Finding the Fourth Proportional to 879,045.36, 1,318,557.96 and 214,197.36
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Solution
The fourth proportional to 879,045.36, 1,318,557.96 and 214,197.36 is: 321,293.58
Step by Step Solution
- Step 1: Write the proportion equation
879,045.36 : 1,318,557.96 = 214,197.36 : x - Step 2: Convert to fraction form
879,045.36/1,318,557.96 = 214,197.36/x - Step 3: Cross multiply
879,045.36x = 1,318,557.96 × 214,197.36 - Step 4: Simplify right side
879,045.36x = 282,431,634,038.99 - Step 5: Solve for x
x = 282,431,634,038.99/879,045.36 - Step 6: Final answer
x = 321,293.58
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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.