Finding the Fourth Proportional to 357,952.21, 536,814.87 and 121,239.55
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Solution
The fourth proportional to 357,952.21, 536,814.87 and 121,239.55 is: 181,820.90
Step by Step Solution
- Step 1: Write the proportion equation
357,952.21 : 536,814.87 = 121,239.55 : x - Step 2: Convert to fraction form
357,952.21/536,814.87 = 121,239.55/x - Step 3: Cross multiply
357,952.21x = 536,814.87 × 121,239.55 - Step 4: Simplify right side
357,952.21x = 65,083,193,272.11 - Step 5: Solve for x
x = 65,083,193,272.11/357,952.21 - Step 6: Final answer
x = 181,820.90
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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.