Finding the Fourth Proportional to 436,291.92, 654,437.88 and 136,774.08
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Solution
The fourth proportional to 436,291.92, 654,437.88 and 136,774.08 is: 205,161.12
Step by Step Solution
- Step 1: Write the proportion equation
436,291.92 : 654,437.88 = 136,774.08 : x - Step 2: Convert to fraction form
436,291.92/654,437.88 = 136,774.08/x - Step 3: Cross multiply
436,291.92x = 654,437.88 × 136,774.08 - Step 4: Simplify right side
436,291.92x = 89,510,138,954.15 - Step 5: Solve for x
x = 89,510,138,954.15/436,291.92 - Step 6: Final answer
x = 205,161.12
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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.