Finding the Fourth Proportional to 700,686.21, 1,051,029.27 and 168,207.23
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Solution
The fourth proportional to 700,686.21, 1,051,029.27 and 168,207.23 is: 252,310.84
Step by Step Solution
- Step 1: Write the proportion equation
700,686.21 : 1,051,029.27 = 168,207.23 : x - Step 2: Convert to fraction form
700,686.21/1,051,029.27 = 168,207.23/x - Step 3: Cross multiply
700,686.21x = 1,051,029.27 × 168,207.23 - Step 4: Simplify right side
700,686.21x = 176,790,724,783.20 - Step 5: Solve for x
x = 176,790,724,783.20/700,686.21 - Step 6: Final answer
x = 252,310.84
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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.