Finding the Fourth Proportional to 440,430.36, 607,794.48 and 239,226.36
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Solution
The fourth proportional to 440,430.36, 607,794.48 and 239,226.36 is: 330,132.69
Step by Step Solution
- Step 1: Write the proportion equation
440,430.36 : 607,794.48 = 239,226.36 : x - Step 2: Convert to fraction form
440,430.36/607,794.48 = 239,226.36/x - Step 3: Cross multiply
440,430.36x = 607,794.48 × 239,226.36 - Step 4: Simplify right side
440,430.36x = 145,400,461,078.49 - Step 5: Solve for x
x = 145,400,461,078.49/440,430.36 - Step 6: Final answer
x = 330,132.69
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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.