Finding the Fourth Proportional to 316,624.06, 436,982.70 and 180,626.68
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Solution
The fourth proportional to 316,624.06, 436,982.70 and 180,626.68 is: 249,288.49
Step by Step Solution
- Step 1: Write the proportion equation
316,624.06 : 436,982.70 = 180,626.68 : x - Step 2: Convert to fraction form
316,624.06/436,982.70 = 180,626.68/x - Step 3: Cross multiply
316,624.06x = 436,982.70 × 180,626.68 - Step 4: Simplify right side
316,624.06x = 78,930,734,318.44 - Step 5: Solve for x
x = 78,930,734,318.44/316,624.06 - Step 6: Final answer
x = 249,288.49
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.