Finding the Fourth Proportional to 640,525.14, 960,898.26 and 261,651.66
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Solution
The fourth proportional to 640,525.14, 960,898.26 and 261,651.66 is: 392,522.65
Step by Step Solution
- Step 1: Write the proportion equation
640,525.14 : 960,898.26 = 261,651.66 : x - Step 2: Convert to fraction form
640,525.14/960,898.26 = 261,651.66/x - Step 3: Cross multiply
640,525.14x = 960,898.26 × 261,651.66 - Step 4: Simplify right side
640,525.14x = 251,420,624,820.11 - Step 5: Solve for x
x = 251,420,624,820.11/640,525.14 - Step 6: Final answer
x = 392,522.65
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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.