Finding the Fourth Proportional to 134,404.80, 201,716.55 and 130,030.80
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Solution
The fourth proportional to 134,404.80, 201,716.55 and 130,030.80 is: 195,151.99
Step by Step Solution
- Step 1: Write the proportion equation
134,404.80 : 201,716.55 = 130,030.80 : x - Step 2: Convert to fraction form
134,404.80/201,716.55 = 130,030.80/x - Step 3: Cross multiply
134,404.80x = 201,716.55 × 130,030.80 - Step 4: Simplify right side
134,404.80x = 26,229,364,369.74 - Step 5: Solve for x
x = 26,229,364,369.74/134,404.80 - Step 6: Final answer
x = 195,151.99
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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.