Finding the Fourth Proportional to 437,863.79, 604,269.96 and 276,660.02
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Solution
The fourth proportional to 437,863.79, 604,269.96 and 276,660.02 is: 381,802.15
Step by Step Solution
- Step 1: Write the proportion equation
437,863.79 : 604,269.96 = 276,660.02 : x - Step 2: Convert to fraction form
437,863.79/604,269.96 = 276,660.02/x - Step 3: Cross multiply
437,863.79x = 604,269.96 × 276,660.02 - Step 4: Simplify right side
437,863.79x = 167,177,336,197.65 - Step 5: Solve for x
x = 167,177,336,197.65/437,863.79 - Step 6: Final answer
x = 381,802.15
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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.