Finding the Fourth Proportional to 286,754.12, 430,297.14 and 118,243.04
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Solution
The fourth proportional to 286,754.12, 430,297.14 and 118,243.04 is: 177,432.99
Step by Step Solution
- Step 1: Write the proportion equation
286,754.12 : 430,297.14 = 118,243.04 : x - Step 2: Convert to fraction form
286,754.12/430,297.14 = 118,243.04/x - Step 3: Cross multiply
286,754.12x = 430,297.14 × 118,243.04 - Step 4: Simplify right side
286,754.12x = 50,879,641,936.91 - Step 5: Solve for x
x = 50,879,641,936.91/286,754.12 - Step 6: Final answer
x = 177,432.99
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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.