Finding the Fourth Proportional to 341,319.98, 511,987.36 and 104,657.42
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Solution
The fourth proportional to 341,319.98, 511,987.36 and 104,657.42 is: 156,988.40
Step by Step Solution
- Step 1: Write the proportion equation
341,319.98 : 511,987.36 = 104,657.42 : x - Step 2: Convert to fraction form
341,319.98/511,987.36 = 104,657.42/x - Step 3: Cross multiply
341,319.98x = 511,987.36 × 104,657.42 - Step 4: Simplify right side
341,319.98x = 53,583,276,170.21 - Step 5: Solve for x
x = 53,583,276,170.21/341,319.98 - Step 6: Final answer
x = 156,988.40
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1.5x scale
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.