Finding the Fourth Proportional to 113,466.66, 156,604.98 and 65,719.99
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Solution
The fourth proportional to 113,466.66, 156,604.98 and 65,719.99 is: 90,705.74
Step by Step Solution
- Step 1: Write the proportion equation
113,466.66 : 156,604.98 = 65,719.99 : x - Step 2: Convert to fraction form
113,466.66/156,604.98 = 65,719.99/x - Step 3: Cross multiply
113,466.66x = 156,604.98 × 65,719.99 - Step 4: Simplify right side
113,466.66x = 10,292,077,719.55 - Step 5: Solve for x
x = 10,292,077,719.55/113,466.66 - Step 6: Final answer
x = 90,705.74
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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.