Finding the Fourth Proportional to 691,124.84, 1,036,617.15 and 185,620.13
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Solution
The fourth proportional to 691,124.84, 1,036,617.15 and 185,620.13 is: 278,411.37
Step by Step Solution
- Step 1: Write the proportion equation
691,124.84 : 1,036,617.15 = 185,620.13 : x - Step 2: Convert to fraction form
691,124.84/1,036,617.15 = 185,620.13/x - Step 3: Cross multiply
691,124.84x = 1,036,617.15 × 185,620.13 - Step 4: Simplify right side
691,124.84x = 192,417,010,143.23 - Step 5: Solve for x
x = 192,417,010,143.23/691,124.84 - Step 6: Final answer
x = 278,411.37
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.