Finding the Fourth Proportional to 245,447.43, 368,175.74 and 76,964.06
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Solution
The fourth proportional to 245,447.43, 368,175.74 and 76,964.06 is: 115,447.53
Step by Step Solution
- Step 1: Write the proportion equation
245,447.43 : 368,175.74 = 76,964.06 : x - Step 2: Convert to fraction form
245,447.43/368,175.74 = 76,964.06/x - Step 3: Cross multiply
245,447.43x = 368,175.74 × 76,964.06 - Step 4: Simplify right side
245,447.43x = 28,336,299,743.90 - Step 5: Solve for x
x = 28,336,299,743.90/245,447.43 - Step 6: Final answer
x = 115,447.53
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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.