Finding the Fourth Proportional to 311,919.24, 467,830.06 and 101,555.76
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Solution
The fourth proportional to 311,919.24, 467,830.06 and 101,555.76 is: 152,317.75
Step by Step Solution
- Step 1: Write the proportion equation
311,919.24 : 467,830.06 = 101,555.76 : x - Step 2: Convert to fraction form
311,919.24/467,830.06 = 101,555.76/x - Step 3: Cross multiply
311,919.24x = 467,830.06 × 101,555.76 - Step 4: Simplify right side
311,919.24x = 47,510,837,294.15 - Step 5: Solve for x
x = 47,510,837,294.15/311,919.24 - Step 6: Final answer
x = 152,317.75
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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.