Finding the Fourth Proportional to 515,602.56, 773,403.84 and 160,645.26
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Solution
The fourth proportional to 515,602.56, 773,403.84 and 160,645.26 is: 240,967.89
Step by Step Solution
- Step 1: Write the proportion equation
515,602.56 : 773,403.84 = 160,645.26 : x - Step 2: Convert to fraction form
515,602.56/773,403.84 = 160,645.26/x - Step 3: Cross multiply
515,602.56x = 773,403.84 × 160,645.26 - Step 4: Simplify right side
515,602.56x = 124,243,660,961.80 - Step 5: Solve for x
x = 124,243,660,961.80/515,602.56 - Step 6: Final answer
x = 240,967.89
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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.