Finding the Fourth Proportional to 245,315.04, 338,544.35 and 137,884.74
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Solution
The fourth proportional to 245,315.04, 338,544.35 and 137,884.74 is: 190,286.33
Step by Step Solution
- Step 1: Write the proportion equation
245,315.04 : 338,544.35 = 137,884.74 : x - Step 2: Convert to fraction form
245,315.04/338,544.35 = 137,884.74/x - Step 3: Cross multiply
245,315.04x = 338,544.35 × 137,884.74 - Step 4: Simplify right side
245,315.04x = 46,680,099,678.22 - Step 5: Solve for x
x = 46,680,099,678.22/245,315.04 - Step 6: Final answer
x = 190,286.33
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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.