Finding the Fourth Proportional to 425,629.68, 587,372.76 and 234,649.80
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Solution
The fourth proportional to 425,629.68, 587,372.76 and 234,649.80 is: 323,818.82
Step by Step Solution
- Step 1: Write the proportion equation
425,629.68 : 587,372.76 = 234,649.80 : x - Step 2: Convert to fraction form
425,629.68/587,372.76 = 234,649.80/x - Step 3: Cross multiply
425,629.68x = 587,372.76 × 234,649.80 - Step 4: Simplify right side
425,629.68x = 137,826,900,659.45 - Step 5: Solve for x
x = 137,826,900,659.45/425,629.68 - Step 6: Final answer
x = 323,818.82
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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.