Finding the Fourth Proportional to 300,226.99, 450,340.95 and 75,587.47
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Solution
The fourth proportional to 300,226.99, 450,340.95 and 75,587.47 is: 113,381.32
Step by Step Solution
- Step 1: Write the proportion equation
300,226.99 : 450,340.95 = 75,587.47 : x - Step 2: Convert to fraction form
300,226.99/450,340.95 = 75,587.47/x - Step 3: Cross multiply
300,226.99x = 450,340.95 × 75,587.47 - Step 4: Simplify right side
300,226.99x = 34,040,133,047.90 - Step 5: Solve for x
x = 34,040,133,047.90/300,226.99 - Step 6: Final answer
x = 113,381.32
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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.