Finding the Fourth Proportional to 300,345.58, 450,513.06 and 75,700.99
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Solution
The fourth proportional to 300,345.58, 450,513.06 and 75,700.99 is: 113,550.15
Step by Step Solution
- Step 1: Write the proportion equation
300,345.58 : 450,513.06 = 75,700.99 : x - Step 2: Convert to fraction form
300,345.58/450,513.06 = 75,700.99/x - Step 3: Cross multiply
300,345.58x = 450,513.06 × 75,700.99 - Step 4: Simplify right side
300,345.58x = 34,104,284,649.93 - Step 5: Solve for x
x = 34,104,284,649.93/300,345.58 - Step 6: Final answer
x = 113,550.15
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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.