Finding the Fourth Proportional to 440,385.92, 607,735.68 and 239,181.92
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Solution
The fourth proportional to 440,385.92, 607,735.68 and 239,181.92 is: 330,072.74
Step by Step Solution
- Step 1: Write the proportion equation
440,385.92 : 607,735.68 = 239,181.92 : x - Step 2: Convert to fraction form
440,385.92/607,735.68 = 239,181.92/x - Step 3: Cross multiply
440,385.92x = 607,735.68 × 239,181.92 - Step 4: Simplify right side
440,385.92x = 145,359,386,794.91 - Step 5: Solve for x
x = 145,359,386,794.91/440,385.92 - Step 6: Final answer
x = 330,072.74
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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.