Finding the Fourth Proportional to 193,201.90, 289,769.64 and 51,048.70
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Solution
The fourth proportional to 193,201.90, 289,769.64 and 51,048.70 is: 76,564.28
Step by Step Solution
- Step 1: Write the proportion equation
193,201.90 : 289,769.64 = 51,048.70 : x - Step 2: Convert to fraction form
193,201.90/289,769.64 = 51,048.70/x - Step 3: Cross multiply
193,201.90x = 289,769.64 × 51,048.70 - Step 4: Simplify right side
193,201.90x = 14,792,363,421.47 - Step 5: Solve for x
x = 14,792,363,421.47/193,201.90 - Step 6: Final answer
x = 76,564.28
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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.