Finding the Fourth Proportional to 440,420.63, 607,781.07 and 239,216.63
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Solution
The fourth proportional to 440,420.63, 607,781.07 and 239,216.63 is: 330,119.27
Step by Step Solution
- Step 1: Write the proportion equation
440,420.63 : 607,781.07 = 239,216.63 : x - Step 2: Convert to fraction form
440,420.63/607,781.07 = 239,216.63/x - Step 3: Cross multiply
440,420.63x = 607,781.07 × 239,216.63 - Step 4: Simplify right side
440,420.63x = 145,391,336,304.29 - Step 5: Solve for x
x = 145,391,336,304.29/440,420.63 - Step 6: Final answer
x = 330,119.27
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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.