Finding the Fourth Proportional to 134,438.74, 201,624.63 and 40,943.14
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Solution
The fourth proportional to 134,438.74, 201,624.63 and 40,943.14 is: 61,404.51
Step by Step Solution
- Step 1: Write the proportion equation
134,438.74 : 201,624.63 = 40,943.14 : x - Step 2: Convert to fraction form
134,438.74/201,624.63 = 40,943.14/x - Step 3: Cross multiply
134,438.74x = 201,624.63 × 40,943.14 - Step 4: Simplify right side
134,438.74x = 8,255,145,453.54 - Step 5: Solve for x
x = 8,255,145,453.54/134,438.74 - Step 6: Final answer
x = 61,404.51
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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.