Finding the Fourth Proportional to 145,913.24, 201,363.35 and 82,251.02
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Solution
The fourth proportional to 145,913.24, 201,363.35 and 82,251.02 is: 113,508.14
Step by Step Solution
- Step 1: Write the proportion equation
145,913.24 : 201,363.35 = 82,251.02 : x - Step 2: Convert to fraction form
145,913.24/201,363.35 = 82,251.02/x - Step 3: Cross multiply
145,913.24x = 201,363.35 × 82,251.02 - Step 4: Simplify right side
145,913.24x = 16,562,339,510.05 - Step 5: Solve for x
x = 16,562,339,510.05/145,913.24 - Step 6: Final answer
x = 113,508.14
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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.