Finding the Fourth Proportional to 630,270.26, 945,261.40 and 180,987.56
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Solution
The fourth proportional to 630,270.26, 945,261.40 and 180,987.56 is: 271,439.99
Step by Step Solution
- Step 1: Write the proportion equation
630,270.26 : 945,261.40 = 180,987.56 : x - Step 2: Convert to fraction form
630,270.26/945,261.40 = 180,987.56/x - Step 3: Cross multiply
630,270.26x = 945,261.40 × 180,987.56 - Step 4: Simplify right side
630,270.26x = 171,080,554,348.18 - Step 5: Solve for x
x = 171,080,554,348.18/630,270.26 - Step 6: Final answer
x = 271,439.99
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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.