Finding the Fourth Proportional to 322,427.70, 483,645.60 and 97,790.40
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Solution
The fourth proportional to 322,427.70, 483,645.60 and 97,790.40 is: 146,686.83
Step by Step Solution
- Step 1: Write the proportion equation
322,427.70 : 483,645.60 = 97,790.40 : x - Step 2: Convert to fraction form
322,427.70/483,645.60 = 97,790.40/x - Step 3: Cross multiply
322,427.70x = 483,645.60 × 97,790.40 - Step 4: Simplify right side
322,427.70x = 47,295,896,682.24 - Step 5: Solve for x
x = 47,295,896,682.24/322,427.70 - Step 6: Final answer
x = 146,686.83
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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.