Finding the Fourth Proportional to 410,129.10, 615,193.65 and 230,029.65
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Solution
The fourth proportional to 410,129.10, 615,193.65 and 230,029.65 is: 345,044.48
Step by Step Solution
- Step 1: Write the proportion equation
410,129.10 : 615,193.65 = 230,029.65 : x - Step 2: Convert to fraction form
410,129.10/615,193.65 = 230,029.65/x - Step 3: Cross multiply
410,129.10x = 615,193.65 × 230,029.65 - Step 4: Simplify right side
410,129.10x = 141,512,779,991.72 - Step 5: Solve for x
x = 141,512,779,991.72/410,129.10 - Step 6: Final answer
x = 345,044.48
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Similar ratio
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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.