Finding the Fourth Proportional to 322,519.70, 483,779.55 and 97,879.70
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Solution
The fourth proportional to 322,519.70, 483,779.55 and 97,879.70 is: 146,819.55
Step by Step Solution
- Step 1: Write the proportion equation
322,519.70 : 483,779.55 = 97,879.70 : x - Step 2: Convert to fraction form
322,519.70/483,779.55 = 97,879.70/x - Step 3: Cross multiply
322,519.70x = 483,779.55 × 97,879.70 - Step 4: Simplify right side
322,519.70x = 47,352,197,220.14 - Step 5: Solve for x
x = 47,352,197,220.14/322,519.70 - Step 6: Final answer
x = 146,819.55
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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.