Finding the Fourth Proportional to 489,678.41, 734,432.87 and 134,608.03
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Solution
The fourth proportional to 489,678.41, 734,432.87 and 134,608.03 is: 201,888.75
Step by Step Solution
- Step 1: Write the proportion equation
489,678.41 : 734,432.87 = 134,608.03 : x - Step 2: Convert to fraction form
489,678.41/734,432.87 = 134,608.03/x - Step 3: Cross multiply
489,678.41x = 734,432.87 × 134,608.03 - Step 4: Simplify right side
489,678.41x = 98,860,560,298.38 - Step 5: Solve for x
x = 98,860,560,298.38/489,678.41 - Step 6: Final answer
x = 201,888.75
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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.