Finding the Fourth Proportional to 134,494.70, 201,669.15 and 55,519.70
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Solution
The fourth proportional to 134,494.70, 201,669.15 and 55,519.70 is: 83,249.46
Step by Step Solution
- Step 1: Write the proportion equation
134,494.70 : 201,669.15 = 55,519.70 : x - Step 2: Convert to fraction form
134,494.70/201,669.15 = 55,519.70/x - Step 3: Cross multiply
134,494.70x = 201,669.15 × 55,519.70 - Step 4: Simplify right side
134,494.70x = 11,196,610,707.26 - Step 5: Solve for x
x = 11,196,610,707.26/134,494.70 - Step 6: Final answer
x = 83,249.46
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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.