Finding the Fourth Proportional to 113,286.95, 156,332.67 and 62,299.62
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Solution
The fourth proportional to 113,286.95, 156,332.67 and 62,299.62 is: 85,971.65
Step by Step Solution
- Step 1: Write the proportion equation
113,286.95 : 156,332.67 = 62,299.62 : x - Step 2: Convert to fraction form
113,286.95/156,332.67 = 62,299.62/x - Step 3: Cross multiply
113,286.95x = 156,332.67 × 62,299.62 - Step 4: Simplify right side
113,286.95x = 9,739,465,934.59 - Step 5: Solve for x
x = 9,739,465,934.59/113,286.95 - Step 6: Final answer
x = 85,971.65
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1.5x scale
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.