Finding the Fourth Proportional to 239,261.49, 330,188.33 and 137,305.60
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Solution
The fourth proportional to 239,261.49, 330,188.33 and 137,305.60 is: 189,486.02
Step by Step Solution
- Step 1: Write the proportion equation
239,261.49 : 330,188.33 = 137,305.60 : x - Step 2: Convert to fraction form
239,261.49/330,188.33 = 137,305.60/x - Step 3: Cross multiply
239,261.49x = 330,188.33 × 137,305.60 - Step 4: Simplify right side
239,261.49x = 45,336,706,763.65 - Step 5: Solve for x
x = 45,336,706,763.65/239,261.49 - Step 6: Final answer
x = 189,486.02
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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.