Finding the Fourth Proportional to 470,819.48, 706,122.72 and 133,852.65
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Solution
The fourth proportional to 470,819.48, 706,122.72 and 133,852.65 is: 200,748.70
Step by Step Solution
- Step 1: Write the proportion equation
470,819.48 : 706,122.72 = 133,852.65 : x - Step 2: Convert to fraction form
470,819.48/706,122.72 = 133,852.65/x - Step 3: Cross multiply
470,819.48x = 706,122.72 × 133,852.65 - Step 4: Simplify right side
470,819.48x = 94,516,397,297.21 - Step 5: Solve for x
x = 94,516,397,297.21/470,819.48 - Step 6: Final answer
x = 200,748.70
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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.