Finding the Fourth Proportional to 468,931.87, 647,125.09 and 254,077.75
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Solution
The fourth proportional to 468,931.87, 647,125.09 and 254,077.75 is: 350,626.81
Step by Step Solution
- Step 1: Write the proportion equation
468,931.87 : 647,125.09 = 254,077.75 : x - Step 2: Convert to fraction form
468,931.87/647,125.09 = 254,077.75/x - Step 3: Cross multiply
468,931.87x = 647,125.09 × 254,077.75 - Step 4: Simplify right side
468,931.87x = 164,420,086,835.75 - Step 5: Solve for x
x = 164,420,086,835.75/468,931.87 - Step 6: Final answer
x = 350,626.81
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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.