Finding the Fourth Proportional to 440,365.92, 607,708.08 and 239,161.92
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Solution
The fourth proportional to 440,365.92, 607,708.08 and 239,161.92 is: 330,045.14
Step by Step Solution
- Step 1: Write the proportion equation
440,365.92 : 607,708.08 = 239,161.92 : x - Step 2: Convert to fraction form
440,365.92/607,708.08 = 239,161.92/x - Step 3: Cross multiply
440,365.92x = 607,708.08 × 239,161.92 - Step 4: Simplify right side
440,365.92x = 145,340,631,212.31 - Step 5: Solve for x
x = 145,340,631,212.31/440,365.92 - Step 6: Final answer
x = 330,045.14
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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.