Finding the Fourth Proportional to 114,338.58, 157,820.58 and 74,050.80
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Solution
The fourth proportional to 114,338.58, 157,820.58 and 74,050.80 is: 102,211.70
Step by Step Solution
- Step 1: Write the proportion equation
114,338.58 : 157,820.58 = 74,050.80 : x - Step 2: Convert to fraction form
114,338.58/157,820.58 = 74,050.80/x - Step 3: Cross multiply
114,338.58x = 157,820.58 × 74,050.80 - Step 4: Simplify right side
114,338.58x = 11,686,740,205.46 - Step 5: Solve for x
x = 11,686,740,205.46/114,338.58 - Step 6: Final answer
x = 102,211.70
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.