Finding the Fourth Proportional to 92,862.21, 139,313.29 and 28,819.08
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Solution
The fourth proportional to 92,862.21, 139,313.29 and 28,819.08 is: 43,234.82
Step by Step Solution
- Step 1: Write the proportion equation
92,862.21 : 139,313.29 = 28,819.08 : x - Step 2: Convert to fraction form
92,862.21/139,313.29 = 28,819.08/x - Step 3: Cross multiply
92,862.21x = 139,313.29 × 28,819.08 - Step 4: Simplify right side
92,862.21x = 4,014,880,849.57 - Step 5: Solve for x
x = 4,014,880,849.57/92,862.21 - Step 6: Final answer
x = 43,234.82
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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.