Finding the Fourth Proportional to 479,487.24, 719,266.26 and 137,916.87
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Solution
The fourth proportional to 479,487.24, 719,266.26 and 137,916.87 is: 206,885.49
Step by Step Solution
- Step 1: Write the proportion equation
479,487.24 : 719,266.26 = 137,916.87 : x - Step 2: Convert to fraction form
479,487.24/719,266.26 = 137,916.87/x - Step 3: Cross multiply
479,487.24x = 719,266.26 × 137,916.87 - Step 4: Simplify right side
479,487.24x = 99,198,951,281.05 - Step 5: Solve for x
x = 99,198,951,281.05/479,487.24 - Step 6: Final answer
x = 206,885.49
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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.