Finding the Fourth Proportional to 392,296.41, 540,337.82 and 301,478.49
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Solution
The fourth proportional to 392,296.41, 540,337.82 and 301,478.49 is: 415,247.82
Step by Step Solution
- Step 1: Write the proportion equation
392,296.41 : 540,337.82 = 301,478.49 : x - Step 2: Convert to fraction form
392,296.41/540,337.82 = 301,478.49/x - Step 3: Cross multiply
392,296.41x = 540,337.82 × 301,478.49 - Step 4: Simplify right side
392,296.41x = 162,900,228,556.10 - Step 5: Solve for x
x = 162,900,228,556.10/392,296.41 - Step 6: Final answer
x = 415,247.82
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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.