Finding the Fourth Proportional to 322,471.08, 483,717.54 and 85,813.98
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Solution
The fourth proportional to 322,471.08, 483,717.54 and 85,813.98 is: 128,723.88
Step by Step Solution
- Step 1: Write the proportion equation
322,471.08 : 483,717.54 = 85,813.98 : x - Step 2: Convert to fraction form
322,471.08/483,717.54 = 85,813.98/x - Step 3: Cross multiply
322,471.08x = 483,717.54 × 85,813.98 - Step 4: Simplify right side
322,471.08x = 41,509,727,303.21 - Step 5: Solve for x
x = 41,509,727,303.21/322,471.08 - Step 6: Final answer
x = 128,723.88
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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.