Finding the Fourth Proportional to 155,279.12, 214,224.36 and 95,559.44
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Solution
The fourth proportional to 155,279.12, 214,224.36 and 95,559.44 is: 131,834.59
Step by Step Solution
- Step 1: Write the proportion equation
155,279.12 : 214,224.36 = 95,559.44 : x - Step 2: Convert to fraction form
155,279.12/214,224.36 = 95,559.44/x - Step 3: Cross multiply
155,279.12x = 214,224.36 × 95,559.44 - Step 4: Simplify right side
155,279.12x = 20,471,159,875.96 - Step 5: Solve for x
x = 20,471,159,875.96/155,279.12 - Step 6: Final answer
x = 131,834.59
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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.