Finding the Fourth Proportional to 177,888.08, 245,558.58 and 120,605.85
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Solution
The fourth proportional to 177,888.08, 245,558.58 and 120,605.85 is: 166,485.59
Step by Step Solution
- Step 1: Write the proportion equation
177,888.08 : 245,558.58 = 120,605.85 : x - Step 2: Convert to fraction form
177,888.08/245,558.58 = 120,605.85/x - Step 3: Cross multiply
177,888.08x = 245,558.58 × 120,605.85 - Step 4: Simplify right side
177,888.08x = 29,615,801,265.69 - Step 5: Solve for x
x = 29,615,801,265.69/177,888.08 - Step 6: Final answer
x = 166,485.59
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.