Finding the Fourth Proportional to 508,483.98, 762,193.80 and 171,408.15
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Solution
The fourth proportional to 508,483.98, 762,193.80 and 171,408.15 is: 256,932.83
Step by Step Solution
- Step 1: Write the proportion equation
508,483.98 : 762,193.80 = 171,408.15 : x - Step 2: Convert to fraction form
508,483.98/762,193.80 = 171,408.15/x - Step 3: Cross multiply
508,483.98x = 762,193.80 × 171,408.15 - Step 4: Simplify right side
508,483.98x = 130,646,229,199.47 - Step 5: Solve for x
x = 130,646,229,199.47/508,483.98 - Step 6: Final answer
x = 256,932.83
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1.5x scale
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.