Finding the Fourth Proportional to 449,120.30, 619,703.09 and 255,516.71
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Solution
The fourth proportional to 449,120.30, 619,703.09 and 255,516.71 is: 352,565.88
Step by Step Solution
- Step 1: Write the proportion equation
449,120.30 : 619,703.09 = 255,516.71 : x - Step 2: Convert to fraction form
449,120.30/619,703.09 = 255,516.71/x - Step 3: Cross multiply
449,120.30x = 619,703.09 × 255,516.71 - Step 4: Simplify right side
449,120.30x = 158,344,490,357.54 - Step 5: Solve for x
x = 158,344,490,357.54/449,120.30 - Step 6: Final answer
x = 352,565.88
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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.