Finding the Fourth Proportional to 440,430.57, 607,794.78 and 239,226.57
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Solution
The fourth proportional to 440,430.57, 607,794.78 and 239,226.57 is: 330,132.99
Step by Step Solution
- Step 1: Write the proportion equation
440,430.57 : 607,794.78 = 239,226.57 : x - Step 2: Convert to fraction form
440,430.57/607,794.78 = 239,226.57/x - Step 3: Cross multiply
440,430.57x = 607,794.78 × 239,226.57 - Step 4: Simplify right side
440,430.57x = 145,400,660,483.31 - Step 5: Solve for x
x = 145,400,660,483.31/440,430.57 - Step 6: Final answer
x = 330,132.99
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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.