Finding the Fourth Proportional to 324,614.10, 487,066.95 and 147,029.70
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Solution
The fourth proportional to 324,614.10, 487,066.95 and 147,029.70 is: 220,610.59
Step by Step Solution
- Step 1: Write the proportion equation
324,614.10 : 487,066.95 = 147,029.70 : x - Step 2: Convert to fraction form
324,614.10/487,066.95 = 147,029.70/x - Step 3: Cross multiply
324,614.10x = 487,066.95 × 147,029.70 - Step 4: Simplify right side
324,614.10x = 71,613,307,538.42 - Step 5: Solve for x
x = 71,613,307,538.42/324,614.10 - Step 6: Final answer
x = 220,610.59
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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.