Finding the Fourth Proportional to 650,178.68, 897,426.93 and 378,299.09
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Solution
The fourth proportional to 650,178.68, 897,426.93 and 378,299.09 is: 522,157.68
Step by Step Solution
- Step 1: Write the proportion equation
650,178.68 : 897,426.93 = 378,299.09 : x - Step 2: Convert to fraction form
650,178.68/897,426.93 = 378,299.09/x - Step 3: Cross multiply
650,178.68x = 897,426.93 × 378,299.09 - Step 4: Simplify right side
650,178.68x = 339,495,790,960.49 - Step 5: Solve for x
x = 339,495,790,960.49/650,178.68 - Step 6: Final answer
x = 522,157.68
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.