Finding the Fourth Proportional to 438,511.68, 605,147.85 and 237,307.68
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Solution
The fourth proportional to 438,511.68, 605,147.85 and 237,307.68 is: 327,485.54
Step by Step Solution
- Step 1: Write the proportion equation
438,511.68 : 605,147.85 = 237,307.68 : x - Step 2: Convert to fraction form
438,511.68/605,147.85 = 237,307.68/x - Step 3: Cross multiply
438,511.68x = 605,147.85 × 237,307.68 - Step 4: Simplify right side
438,511.68x = 143,606,232,340.49 - Step 5: Solve for x
x = 143,606,232,340.49/438,511.68 - Step 6: Final answer
x = 327,485.54
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.