Finding the Fourth Proportional to 700,328.14, 1,050,639.84 and 226,976.62
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Solution
The fourth proportional to 700,328.14, 1,050,639.84 and 226,976.62 is: 340,512.78
Step by Step Solution
- Step 1: Write the proportion equation
700,328.14 : 1,050,639.84 = 226,976.62 : x - Step 2: Convert to fraction form
700,328.14/1,050,639.84 = 226,976.62/x - Step 3: Cross multiply
700,328.14x = 1,050,639.84 × 226,976.62 - Step 4: Simplify right side
700,328.14x = 238,470,679,720.54 - Step 5: Solve for x
x = 238,470,679,720.54/700,328.14 - Step 6: Final answer
x = 340,512.78
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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.