Finding the Fourth Proportional to 134,494.86, 201,695.14 and 39,699.75
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Solution
The fourth proportional to 134,494.86, 201,695.14 and 39,699.75 is: 59,535.71
Step by Step Solution
- Step 1: Write the proportion equation
134,494.86 : 201,695.14 = 39,699.75 : x - Step 2: Convert to fraction form
134,494.86/201,695.14 = 39,699.75/x - Step 3: Cross multiply
134,494.86x = 201,695.14 × 39,699.75 - Step 4: Simplify right side
134,494.86x = 8,007,246,634.22 - Step 5: Solve for x
x = 8,007,246,634.22/134,494.86 - Step 6: Final answer
x = 59,535.71
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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.