Finding the Fourth Proportional to 629,660.13, 944,489.94 and 156,345.49
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Solution
The fourth proportional to 629,660.13, 944,489.94 and 156,345.49 is: 234,518.17
Step by Step Solution
- Step 1: Write the proportion equation
629,660.13 : 944,489.94 = 156,345.49 : x - Step 2: Convert to fraction form
629,660.13/944,489.94 = 156,345.49/x - Step 3: Cross multiply
629,660.13x = 944,489.94 × 156,345.49 - Step 4: Simplify right side
629,660.13x = 147,666,742,469.37 - Step 5: Solve for x
x = 147,666,742,469.37/629,660.13 - Step 6: Final answer
x = 234,518.17
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1.5x scale
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.