Finding the Fourth Proportional to 498,201.93, 687,515.04 and 283,341.75
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Solution
The fourth proportional to 498,201.93, 687,515.04 and 283,341.75 is: 391,009.55
Step by Step Solution
- Step 1: Write the proportion equation
498,201.93 : 687,515.04 = 283,341.75 : x - Step 2: Convert to fraction form
498,201.93/687,515.04 = 283,341.75/x - Step 3: Cross multiply
498,201.93x = 687,515.04 × 283,341.75 - Step 4: Simplify right side
498,201.93x = 194,801,714,584.92 - Step 5: Solve for x
x = 194,801,714,584.92/498,201.93 - Step 6: Final answer
x = 391,009.55
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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.