Finding the Fourth Proportional to 510,664.14, 765,996.20 and 155,675.08
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Solution
The fourth proportional to 510,664.14, 765,996.20 and 155,675.08 is: 233,512.61
Step by Step Solution
- Step 1: Write the proportion equation
510,664.14 : 765,996.20 = 155,675.08 : x - Step 2: Convert to fraction form
510,664.14/765,996.20 = 155,675.08/x - Step 3: Cross multiply
510,664.14x = 765,996.20 × 155,675.08 - Step 4: Simplify right side
510,664.14x = 119,246,515,884.72 - Step 5: Solve for x
x = 119,246,515,884.72/510,664.14 - Step 6: Final answer
x = 233,512.61
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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.