Finding the Fourth Proportional to 313,389.56, 470,271.14 and 113,725.53
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Solution
The fourth proportional to 313,389.56, 470,271.14 and 113,725.53 is: 170,656.08
Step by Step Solution
- Step 1: Write the proportion equation
313,389.56 : 470,271.14 = 113,725.53 : x - Step 2: Convert to fraction form
313,389.56/470,271.14 = 113,725.53/x - Step 3: Cross multiply
313,389.56x = 470,271.14 × 113,725.53 - Step 4: Simplify right side
313,389.56x = 53,481,834,498.05 - Step 5: Solve for x
x = 53,481,834,498.05/313,389.56 - Step 6: Final answer
x = 170,656.08
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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.