Finding the Fourth Proportional to 529,349.22, 794,026.53 and 129,990.06
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Solution
The fourth proportional to 529,349.22, 794,026.53 and 129,990.06 is: 194,985.75
Step by Step Solution
- Step 1: Write the proportion equation
529,349.22 : 794,026.53 = 129,990.06 : x - Step 2: Convert to fraction form
529,349.22/794,026.53 = 129,990.06/x - Step 3: Cross multiply
529,349.22x = 794,026.53 × 129,990.06 - Step 4: Simplify right side
529,349.22x = 103,215,556,276.29 - Step 5: Solve for x
x = 103,215,556,276.29/529,349.22 - Step 6: Final answer
x = 194,985.75
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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.