Finding the Fourth Proportional to 891,568.20, 1,337,347.58 and 217,653.08
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Solution
The fourth proportional to 891,568.20, 1,337,347.58 and 217,653.08 is: 326,478.47
Step by Step Solution
- Step 1: Write the proportion equation
891,568.20 : 1,337,347.58 = 217,653.08 : x - Step 2: Convert to fraction form
891,568.20/1,337,347.58 = 217,653.08/x - Step 3: Cross multiply
891,568.20x = 1,337,347.58 × 217,653.08 - Step 4: Simplify right side
891,568.20x = 291,077,819,817.55 - Step 5: Solve for x
x = 291,077,819,817.55/891,568.20 - Step 6: Final answer
x = 326,478.47
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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.