Finding the Fourth Proportional to 396,369.99, 594,533.77 and 140,184.81
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Solution
The fourth proportional to 396,369.99, 594,533.77 and 140,184.81 is: 210,269.71
Step by Step Solution
- Step 1: Write the proportion equation
396,369.99 : 594,533.77 = 140,184.81 : x - Step 2: Convert to fraction form
396,369.99/594,533.77 = 140,184.81/x - Step 3: Cross multiply
396,369.99x = 594,533.77 × 140,184.81 - Step 4: Simplify right side
396,369.99x = 83,344,603,586.03 - Step 5: Solve for x
x = 83,344,603,586.03/396,369.99 - Step 6: Final answer
x = 210,269.71
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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.