Finding the Fourth Proportional to 453,851.10, 680,776.65 and 121,427.10
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Solution
The fourth proportional to 453,851.10, 680,776.65 and 121,427.10 is: 182,140.65
Step by Step Solution
- Step 1: Write the proportion equation
453,851.10 : 680,776.65 = 121,427.10 : x - Step 2: Convert to fraction form
453,851.10/680,776.65 = 121,427.10/x - Step 3: Cross multiply
453,851.10x = 680,776.65 × 121,427.10 - Step 4: Simplify right side
453,851.10x = 82,664,734,357.22 - Step 5: Solve for x
x = 82,664,734,357.22/453,851.10 - Step 6: Final answer
x = 182,140.65
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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.