Finding the Fourth Proportional to 498,335.68, 687,659.09 and 277,556.12
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Solution
The fourth proportional to 498,335.68, 687,659.09 and 277,556.12 is: 383,002.86
Step by Step Solution
- Step 1: Write the proportion equation
498,335.68 : 687,659.09 = 277,556.12 : x - Step 2: Convert to fraction form
498,335.68/687,659.09 = 277,556.12/x - Step 3: Cross multiply
498,335.68x = 687,659.09 × 277,556.12 - Step 4: Simplify right side
498,335.68x = 190,863,988,217.03 - Step 5: Solve for x
x = 190,863,988,217.03/498,335.68 - Step 6: Final answer
x = 383,002.86
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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.