Finding the Fourth Proportional to 491,242.65, 736,863.91 and 136,256.67
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Solution
The fourth proportional to 491,242.65, 736,863.91 and 136,256.67 is: 204,384.99
Step by Step Solution
- Step 1: Write the proportion equation
491,242.65 : 736,863.91 = 136,256.67 : x - Step 2: Convert to fraction form
491,242.65/736,863.91 = 136,256.67/x - Step 3: Cross multiply
491,242.65x = 736,863.91 × 136,256.67 - Step 4: Simplify right side
491,242.65x = 100,402,622,279.14 - Step 5: Solve for x
x = 100,402,622,279.14/491,242.65 - Step 6: Final answer
x = 204,384.99
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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.