Finding the Fourth Proportional to 549,647.28, 758,511.58 and 304,647.68
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Solution
The fourth proportional to 549,647.28, 758,511.58 and 304,647.68 is: 420,412.87
Step by Step Solution
- Step 1: Write the proportion equation
549,647.28 : 758,511.58 = 304,647.68 : x - Step 2: Convert to fraction form
549,647.28/758,511.58 = 304,647.68/x - Step 3: Cross multiply
549,647.28x = 758,511.58 × 304,647.68 - Step 4: Simplify right side
549,647.28x = 231,078,793,100.13 - Step 5: Solve for x
x = 231,078,793,100.13/549,647.28 - Step 6: Final answer
x = 420,412.87
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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.