Finding the Fourth Proportional to 165,711.99, 228,692.30 and 124,803.95
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Solution
The fourth proportional to 165,711.99, 228,692.30 and 124,803.95 is: 172,236.79
Step by Step Solution
- Step 1: Write the proportion equation
165,711.99 : 228,692.30 = 124,803.95 : x - Step 2: Convert to fraction form
165,711.99/228,692.30 = 124,803.95/x - Step 3: Cross multiply
165,711.99x = 228,692.30 × 124,803.95 - Step 4: Simplify right side
165,711.99x = 28,541,700,607.10 - Step 5: Solve for x
x = 28,541,700,607.10/165,711.99 - Step 6: Final answer
x = 172,236.79
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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.