Finding the Fourth Proportional to 576,767.22, 865,171.61 and 216,905.09
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Solution
The fourth proportional to 576,767.22, 865,171.61 and 216,905.09 is: 325,365.44
Step by Step Solution
- Step 1: Write the proportion equation
576,767.22 : 865,171.61 = 216,905.09 : x - Step 2: Convert to fraction form
576,767.22/865,171.61 = 216,905.09/x - Step 3: Cross multiply
576,767.22x = 865,171.61 × 216,905.09 - Step 4: Simplify right side
576,767.22x = 187,660,120,522.11 - Step 5: Solve for x
x = 187,660,120,522.11/576,767.22 - Step 6: Final answer
x = 325,365.44
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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.