Finding the Fourth Proportional to 423,709.77, 635,565.68 and 103,863.07
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Solution
The fourth proportional to 423,709.77, 635,565.68 and 103,863.07 is: 155,794.86
Step by Step Solution
- Step 1: Write the proportion equation
423,709.77 : 635,565.68 = 103,863.07 : x - Step 2: Convert to fraction form
423,709.77/635,565.68 = 103,863.07/x - Step 3: Cross multiply
423,709.77x = 635,565.68 × 103,863.07 - Step 4: Simplify right side
423,709.77x = 66,011,802,711.44 - Step 5: Solve for x
x = 66,011,802,711.44/423,709.77 - Step 6: Final answer
x = 155,794.86
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.