Finding the Fourth Proportional to 512,525.88, 768,862.34 and 157,569.70
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Solution
The fourth proportional to 512,525.88, 768,862.34 and 157,569.70 is: 236,377.15
Step by Step Solution
- Step 1: Write the proportion equation
512,525.88 : 768,862.34 = 157,569.70 : x - Step 2: Convert to fraction form
512,525.88/768,862.34 = 157,569.70/x - Step 3: Cross multiply
512,525.88x = 768,862.34 × 157,569.70 - Step 4: Simplify right side
512,525.88x = 121,149,408,255.10 - Step 5: Solve for x
x = 121,149,408,255.10/512,525.88 - Step 6: Final answer
x = 236,377.15
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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.