Finding the Fourth Proportional to 409,595.00, 614,423.61 and 139,639.28
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Solution
The fourth proportional to 409,595.00, 614,423.61 and 139,639.28 is: 209,469.52
Step by Step Solution
- Step 1: Write the proportion equation
409,595.00 : 614,423.61 = 139,639.28 : x - Step 2: Convert to fraction form
409,595.00/614,423.61 = 139,639.28/x - Step 3: Cross multiply
409,595.00x = 614,423.61 × 139,639.28 - Step 4: Simplify right side
409,595.00x = 85,797,667,443.28 - Step 5: Solve for x
x = 85,797,667,443.28/409,595.00 - Step 6: Final answer
x = 209,469.52
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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.