Finding the Fourth Proportional to 620,340.19, 930,697.17 and 220,928.99
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Solution
The fourth proportional to 620,340.19, 930,697.17 and 220,928.99 is: 331,460.04
Step by Step Solution
- Step 1: Write the proportion equation
620,340.19 : 930,697.17 = 220,928.99 : x - Step 2: Convert to fraction form
620,340.19/930,697.17 = 220,928.99/x - Step 3: Cross multiply
620,340.19x = 930,697.17 × 220,928.99 - Step 4: Simplify right side
620,340.19x = 205,617,983,437.22 - Step 5: Solve for x
x = 205,617,983,437.22/620,340.19 - Step 6: Final answer
x = 331,460.04
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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.