Finding the Fourth Proportional to 286,754.90, 430,184.09 and 118,181.55
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Solution
The fourth proportional to 286,754.90, 430,184.09 and 118,181.55 is: 177,293.65
Step by Step Solution
- Step 1: Write the proportion equation
286,754.90 : 430,184.09 = 118,181.55 : x - Step 2: Convert to fraction form
286,754.90/430,184.09 = 118,181.55/x - Step 3: Cross multiply
286,754.90x = 430,184.09 × 118,181.55 - Step 4: Simplify right side
286,754.90x = 50,839,822,541.54 - Step 5: Solve for x
x = 50,839,822,541.54/286,754.90 - Step 6: Final answer
x = 177,293.65
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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.