Finding the Fourth Proportional to 311,605.92, 430,104.26 and 184,325.76
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Solution
The fourth proportional to 311,605.92, 430,104.26 and 184,325.76 is: 254,421.66
Step by Step Solution
- Step 1: Write the proportion equation
311,605.92 : 430,104.26 = 184,325.76 : x - Step 2: Convert to fraction form
311,605.92/430,104.26 = 184,325.76/x - Step 3: Cross multiply
311,605.92x = 430,104.26 × 184,325.76 - Step 4: Simplify right side
311,605.92x = 79,279,294,603.74 - Step 5: Solve for x
x = 79,279,294,603.74/311,605.92 - Step 6: Final answer
x = 254,421.66
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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.