Finding the Fourth Proportional to 359,779.41, 539,078.58 and 122,992.92
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Solution
The fourth proportional to 359,779.41, 539,078.58 and 122,992.92 is: 184,287.50
Step by Step Solution
- Step 1: Write the proportion equation
359,779.41 : 539,078.58 = 122,992.92 : x - Step 2: Convert to fraction form
359,779.41/539,078.58 = 122,992.92/x - Step 3: Cross multiply
359,779.41x = 539,078.58 × 122,992.92 - Step 4: Simplify right side
359,779.41x = 66,302,848,663.65 - Step 5: Solve for x
x = 66,302,848,663.65/359,779.41 - Step 6: Final answer
x = 184,287.50
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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.