Finding the Fourth Proportional to 306,848.32, 460,335.35 and 129,355.65
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Solution
The fourth proportional to 306,848.32, 460,335.35 and 129,355.65 is: 194,059.98
Step by Step Solution
- Step 1: Write the proportion equation
306,848.32 : 460,335.35 = 129,355.65 : x - Step 2: Convert to fraction form
306,848.32/460,335.35 = 129,355.65/x - Step 3: Cross multiply
306,848.32x = 460,335.35 × 129,355.65 - Step 4: Simplify right side
306,848.32x = 59,546,978,740.62 - Step 5: Solve for x
x = 59,546,978,740.62/306,848.32 - Step 6: Final answer
x = 194,059.98
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.