Finding the Fourth Proportional to 311,919.18, 467,829.96 and 101,555.70
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Solution
The fourth proportional to 311,919.18, 467,829.96 and 101,555.70 is: 152,317.66
Step by Step Solution
- Step 1: Write the proportion equation
311,919.18 : 467,829.96 = 101,555.70 : x - Step 2: Convert to fraction form
311,919.18/467,829.96 = 101,555.70/x - Step 3: Cross multiply
311,919.18x = 467,829.96 × 101,555.70 - Step 4: Simplify right side
311,919.18x = 47,510,799,068.77 - Step 5: Solve for x
x = 47,510,799,068.77/311,919.18 - Step 6: Final answer
x = 152,317.66
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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.