Finding the Fourth Proportional to 140,533.99, 210,834.70 and 40,701.08
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Solution
The fourth proportional to 140,533.99, 210,834.70 and 40,701.08 is: 61,061.39
Step by Step Solution
- Step 1: Write the proportion equation
140,533.99 : 210,834.70 = 40,701.08 : x - Step 2: Convert to fraction form
140,533.99/210,834.70 = 40,701.08/x - Step 3: Cross multiply
140,533.99x = 210,834.70 × 40,701.08 - Step 4: Simplify right side
140,533.99x = 8,581,200,416.81 - Step 5: Solve for x
x = 8,581,200,416.81/140,533.99 - Step 6: Final answer
x = 61,061.39
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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.