Finding the Fourth Proportional to 628,832.87, 943,117.02 and 202,406.80
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Solution
The fourth proportional to 628,832.87, 943,117.02 and 202,406.80 is: 303,567.62
Step by Step Solution
- Step 1: Write the proportion equation
628,832.87 : 943,117.02 = 202,406.80 : x - Step 2: Convert to fraction form
628,832.87/943,117.02 = 202,406.80/x - Step 3: Cross multiply
628,832.87x = 943,117.02 × 202,406.80 - Step 4: Simplify right side
628,832.87x = 190,893,297,454.29 - Step 5: Solve for x
x = 190,893,297,454.29/628,832.87 - Step 6: Final answer
x = 303,567.62
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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.