Finding the Fourth Proportional to 440,676.24, 608,130.36 and 239,472.24
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Solution
The fourth proportional to 440,676.24, 608,130.36 and 239,472.24 is: 330,470.14
Step by Step Solution
- Step 1: Write the proportion equation
440,676.24 : 608,130.36 = 239,472.24 : x - Step 2: Convert to fraction form
440,676.24/608,130.36 = 239,472.24/x - Step 3: Cross multiply
440,676.24x = 608,130.36 × 239,472.24 - Step 4: Simplify right side
440,676.24x = 145,630,339,521.21 - Step 5: Solve for x
x = 145,630,339,521.21/440,676.24 - Step 6: Final answer
x = 330,470.14
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1.5x scale
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.