Finding the Fourth Proportional to 489,020.41, 733,451.93 and 133,951.42
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Solution
The fourth proportional to 489,020.41, 733,451.93 and 133,951.42 is: 200,905.58
Step by Step Solution
- Step 1: Write the proportion equation
489,020.41 : 733,451.93 = 133,951.42 : x - Step 2: Convert to fraction form
489,020.41/733,451.93 = 133,951.42/x - Step 3: Cross multiply
489,020.41x = 733,451.93 × 133,951.42 - Step 4: Simplify right side
489,020.41x = 98,246,927,525.24 - Step 5: Solve for x
x = 98,246,927,525.24/489,020.41 - Step 6: Final answer
x = 200,905.58
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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.