Finding the Fourth Proportional to 421,652.24, 632,455.48 and 106,108.56
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Solution
The fourth proportional to 421,652.24, 632,455.48 and 106,108.56 is: 159,157.08
Step by Step Solution
- Step 1: Write the proportion equation
421,652.24 : 632,455.48 = 106,108.56 : x - Step 2: Convert to fraction form
421,652.24/632,455.48 = 106,108.56/x - Step 3: Cross multiply
421,652.24x = 632,455.48 × 106,108.56 - Step 4: Simplify right side
421,652.24x = 67,108,940,246.91 - Step 5: Solve for x
x = 67,108,940,246.91/421,652.24 - Step 6: Final answer
x = 159,157.08
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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.