Finding the Fourth Proportional to 344,739.20, 517,108.80 and 251,427.20
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Solution
The fourth proportional to 344,739.20, 517,108.80 and 251,427.20 is: 377,140.80
Step by Step Solution
- Step 1: Write the proportion equation
344,739.20 : 517,108.80 = 251,427.20 : x - Step 2: Convert to fraction form
344,739.20/517,108.80 = 251,427.20/x - Step 3: Cross multiply
344,739.20x = 517,108.80 × 251,427.20 - Step 4: Simplify right side
344,739.20x = 130,015,217,679.36 - Step 5: Solve for x
x = 130,015,217,679.36/344,739.20 - Step 6: Final answer
x = 377,140.80
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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.