Finding the Fourth Proportional to 440,413.88, 607,771.76 and 239,209.88
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Solution
The fourth proportional to 440,413.88, 607,771.76 and 239,209.88 is: 330,109.96
Step by Step Solution
- Step 1: Write the proportion equation
440,413.88 : 607,771.76 = 239,209.88 : x - Step 2: Convert to fraction form
440,413.88/607,771.76 = 239,209.88/x - Step 3: Cross multiply
440,413.88x = 607,771.76 × 239,209.88 - Step 4: Simplify right side
440,413.88x = 145,385,005,542.08 - Step 5: Solve for x
x = 145,385,005,542.08/440,413.88 - Step 6: Final answer
x = 330,109.96
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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.