Finding the Fourth Proportional to 479,969.83, 719,996.09 and 124,984.49
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Solution
The fourth proportional to 479,969.83, 719,996.09 and 124,984.49 is: 187,487.50
Step by Step Solution
- Step 1: Write the proportion equation
479,969.83 : 719,996.09 = 124,984.49 : x - Step 2: Convert to fraction form
479,969.83/719,996.09 = 124,984.49/x - Step 3: Cross multiply
479,969.83x = 719,996.09 × 124,984.49 - Step 4: Simplify right side
479,969.83x = 89,988,345,285.71 - Step 5: Solve for x
x = 89,988,345,285.71/479,969.83 - Step 6: Final answer
x = 187,487.50
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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.