Finding the Fourth Proportional to 470,403.81, 705,564.09 and 170,886.96
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Solution
The fourth proportional to 470,403.81, 705,564.09 and 170,886.96 is: 256,315.32
Step by Step Solution
- Step 1: Write the proportion equation
470,403.81 : 705,564.09 = 170,886.96 : x - Step 2: Convert to fraction form
470,403.81/705,564.09 = 170,886.96/x - Step 3: Cross multiply
470,403.81x = 705,564.09 × 170,886.96 - Step 4: Simplify right side
470,403.81x = 120,571,702,425.27 - Step 5: Solve for x
x = 120,571,702,425.27/470,403.81 - Step 6: Final answer
x = 256,315.32
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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.