Finding the Fourth Proportional to 145,800.53, 201,206.76 and 81,267.98
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Solution
The fourth proportional to 145,800.53, 201,206.76 and 81,267.98 is: 112,150.95
Step by Step Solution
- Step 1: Write the proportion equation
145,800.53 : 201,206.76 = 81,267.98 : x - Step 2: Convert to fraction form
145,800.53/201,206.76 = 81,267.98/x - Step 3: Cross multiply
145,800.53x = 201,206.76 × 81,267.98 - Step 4: Simplify right side
145,800.53x = 16,351,667,563.00 - Step 5: Solve for x
x = 16,351,667,563.00/145,800.53 - Step 6: Final answer
x = 112,150.95
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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.