Finding the Fourth Proportional to 122,853.99, 184,273.68 and 72,281.46
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Solution
The fourth proportional to 122,853.99, 184,273.68 and 72,281.46 is: 108,417.89
Step by Step Solution
- Step 1: Write the proportion equation
122,853.99 : 184,273.68 = 72,281.46 : x - Step 2: Convert to fraction form
122,853.99/184,273.68 = 72,281.46/x - Step 3: Cross multiply
122,853.99x = 184,273.68 × 72,281.46 - Step 4: Simplify right side
122,853.99x = 13,319,570,629.97 - Step 5: Solve for x
x = 13,319,570,629.97/122,853.99 - Step 6: Final answer
x = 108,417.89
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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.