Finding the Fourth Proportional to 134,665.86, 201,936.68 and 39,862.14
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Solution
The fourth proportional to 134,665.86, 201,936.68 and 39,862.14 is: 59,774.82
Step by Step Solution
- Step 1: Write the proportion equation
134,665.86 : 201,936.68 = 39,862.14 : x - Step 2: Convert to fraction form
134,665.86/201,936.68 = 39,862.14/x - Step 3: Cross multiply
134,665.86x = 201,936.68 × 39,862.14 - Step 4: Simplify right side
134,665.86x = 8,049,628,209.30 - Step 5: Solve for x
x = 8,049,628,209.30/134,665.86 - Step 6: Final answer
x = 59,774.82
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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.