Finding the Fourth Proportional to 153,002.21, 229,502.99 and 40,682.43
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Solution
The fourth proportional to 153,002.21, 229,502.99 and 40,682.43 is: 61,023.56
Step by Step Solution
- Step 1: Write the proportion equation
153,002.21 : 229,502.99 = 40,682.43 : x - Step 2: Convert to fraction form
153,002.21/229,502.99 = 40,682.43/x - Step 3: Cross multiply
153,002.21x = 229,502.99 × 40,682.43 - Step 4: Simplify right side
153,002.21x = 9,336,739,122.05 - Step 5: Solve for x
x = 9,336,739,122.05/153,002.21 - Step 6: Final answer
x = 61,023.56
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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.