Finding the Fourth Proportional to 388,942.56, 583,569.36 and 167,482.08
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Solution
The fourth proportional to 388,942.56, 583,569.36 and 167,482.08 is: 251,290.09
Step by Step Solution
- Step 1: Write the proportion equation
388,942.56 : 583,569.36 = 167,482.08 : x - Step 2: Convert to fraction form
388,942.56/583,569.36 = 167,482.08/x - Step 3: Cross multiply
388,942.56x = 583,569.36 × 167,482.08 - Step 4: Simplify right side
388,942.56x = 97,737,410,237.07 - Step 5: Solve for x
x = 97,737,410,237.07/388,942.56 - Step 6: Final answer
x = 251,290.09
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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.