Finding the Fourth Proportional to 134,126.71, 201,221.23 and 39,353.07
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Solution
The fourth proportional to 134,126.71, 201,221.23 and 39,353.07 is: 59,038.75
Step by Step Solution
- Step 1: Write the proportion equation
134,126.71 : 201,221.23 = 39,353.07 : x - Step 2: Convert to fraction form
134,126.71/201,221.23 = 39,353.07/x - Step 3: Cross multiply
134,126.71x = 201,221.23 × 39,353.07 - Step 4: Simplify right side
134,126.71x = 7,918,673,149.68 - Step 5: Solve for x
x = 7,918,673,149.68/134,126.71 - Step 6: Final answer
x = 59,038.75
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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.