Finding the Fourth Proportional to 338,785.66, 508,255.16 and 114,139.99
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Solution
The fourth proportional to 338,785.66, 508,255.16 and 114,139.99 is: 171,235.81
Step by Step Solution
- Step 1: Write the proportion equation
338,785.66 : 508,255.16 = 114,139.99 : x - Step 2: Convert to fraction form
338,785.66/508,255.16 = 114,139.99/x - Step 3: Cross multiply
338,785.66x = 508,255.16 × 114,139.99 - Step 4: Simplify right side
338,785.66x = 58,012,236,085.53 - Step 5: Solve for x
x = 58,012,236,085.53/338,785.66 - Step 6: Final answer
x = 171,235.81
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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.