Finding the Fourth Proportional to 483,134.36, 724,739.67 and 128,148.48
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Solution
The fourth proportional to 483,134.36, 724,739.67 and 128,148.48 is: 192,232.84
Step by Step Solution
- Step 1: Write the proportion equation
483,134.36 : 724,739.67 = 128,148.48 : x - Step 2: Convert to fraction form
483,134.36/724,739.67 = 128,148.48/x - Step 3: Cross multiply
483,134.36x = 724,739.67 × 128,148.48 - Step 4: Simplify right side
483,134.36x = 92,874,287,106.20 - Step 5: Solve for x
x = 92,874,287,106.20/483,134.36 - Step 6: Final answer
x = 192,232.84
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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.