Finding the Fourth Proportional to 988,168.80, 1,482,340.66 and 278,202.98
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Solution
The fourth proportional to 988,168.80, 1,482,340.66 and 278,202.98 is: 417,329.09
Step by Step Solution
- Step 1: Write the proportion equation
988,168.80 : 1,482,340.66 = 278,202.98 : x - Step 2: Convert to fraction form
988,168.80/1,482,340.66 = 278,202.98/x - Step 3: Cross multiply
988,168.80x = 1,482,340.66 × 278,202.98 - Step 4: Simplify right side
988,168.80x = 412,391,588,987.17 - Step 5: Solve for x
x = 412,391,588,987.17/988,168.80 - Step 6: Final answer
x = 417,329.09
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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.