Finding the Fourth Proportional to 436,215.10, 654,322.74 and 136,695.62
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Solution
The fourth proportional to 436,215.10, 654,322.74 and 136,695.62 is: 205,043.46
Step by Step Solution
- Step 1: Write the proportion equation
436,215.10 : 654,322.74 = 136,695.62 : x - Step 2: Convert to fraction form
436,215.10/654,322.74 = 136,695.62/x - Step 3: Cross multiply
436,215.10x = 654,322.74 × 136,695.62 - Step 4: Simplify right side
436,215.10x = 89,443,052,624.40 - Step 5: Solve for x
x = 89,443,052,624.40/436,215.10 - Step 6: Final answer
x = 205,043.46
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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.