Finding the Fourth Proportional to 617,029.20, 925,543.80 and 368,197.20
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Solution
The fourth proportional to 617,029.20, 925,543.80 and 368,197.20 is: 552,295.80
Step by Step Solution
- Step 1: Write the proportion equation
617,029.20 : 925,543.80 = 368,197.20 : x - Step 2: Convert to fraction form
617,029.20/925,543.80 = 368,197.20/x - Step 3: Cross multiply
617,029.20x = 925,543.80 × 368,197.20 - Step 4: Simplify right side
617,029.20x = 340,782,635,637.36 - Step 5: Solve for x
x = 340,782,635,637.36/617,029.20 - Step 6: Final answer
x = 552,295.80
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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.