Finding the Fourth Proportional to 260,523.36, 359,408.09 and 153,044.91
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Solution
The fourth proportional to 260,523.36, 359,408.09 and 153,044.91 is: 211,134.92
Step by Step Solution
- Step 1: Write the proportion equation
260,523.36 : 359,408.09 = 153,044.91 : x - Step 2: Convert to fraction form
260,523.36/359,408.09 = 153,044.91/x - Step 3: Cross multiply
260,523.36x = 359,408.09 × 153,044.91 - Step 4: Simplify right side
260,523.36x = 55,005,579,169.93 - Step 5: Solve for x
x = 55,005,579,169.93/260,523.36 - Step 6: Final answer
x = 211,134.92
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.