Finding the Fourth Proportional to 322,516.08, 483,765.21 and 85,860.81
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Solution
The fourth proportional to 322,516.08, 483,765.21 and 85,860.81 is: 128,788.84
Step by Step Solution
- Step 1: Write the proportion equation
322,516.08 : 483,765.21 = 85,860.81 : x - Step 2: Convert to fraction form
322,516.08/483,765.21 = 85,860.81/x - Step 3: Cross multiply
322,516.08x = 483,765.21 × 85,860.81 - Step 4: Simplify right side
322,516.08x = 41,536,472,780.42 - Step 5: Solve for x
x = 41,536,472,780.42/322,516.08 - Step 6: Final answer
x = 128,788.84
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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.