Finding the Fourth Proportional to 624,193.20, 861,386.30 and 352,318.14
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Solution
The fourth proportional to 624,193.20, 861,386.30 and 352,318.14 is: 486,198.85
Step by Step Solution
- Step 1: Write the proportion equation
624,193.20 : 861,386.30 = 352,318.14 : x - Step 2: Convert to fraction form
624,193.20/861,386.30 = 352,318.14/x - Step 3: Cross multiply
624,193.20x = 861,386.30 × 352,318.14 - Step 4: Simplify right side
624,193.20x = 303,482,019,037.48 - Step 5: Solve for x
x = 303,482,019,037.48/624,193.20 - Step 6: Final answer
x = 486,198.85
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1.5x scale
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.