Finding the Fourth Proportional to 491,246.64, 736,869.91 and 136,260.67
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Solution
The fourth proportional to 491,246.64, 736,869.91 and 136,260.67 is: 204,390.99
Step by Step Solution
- Step 1: Write the proportion equation
491,246.64 : 736,869.91 = 136,260.67 : x - Step 2: Convert to fraction form
491,246.64/736,869.91 = 136,260.67/x - Step 3: Cross multiply
491,246.64x = 736,869.91 × 136,260.67 - Step 4: Simplify right side
491,246.64x = 100,406,387,639.44 - Step 5: Solve for x
x = 100,406,387,639.44/491,246.64 - Step 6: Final answer
x = 204,390.99
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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.