Finding the Fourth Proportional to 411,325.21, 617,001.47 and 141,450.70
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Solution
The fourth proportional to 411,325.21, 617,001.47 and 141,450.70 is: 212,180.75
Step by Step Solution
- Step 1: Write the proportion equation
411,325.21 : 617,001.47 = 141,450.70 : x - Step 2: Convert to fraction form
411,325.21/617,001.47 = 141,450.70/x - Step 3: Cross multiply
411,325.21x = 617,001.47 × 141,450.70 - Step 4: Simplify right side
411,325.21x = 87,275,289,832.53 - Step 5: Solve for x
x = 87,275,289,832.53/411,325.21 - Step 6: Final answer
x = 212,180.75
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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.