Finding the Fourth Proportional to 698,160.96, 1,047,220.56 and 192,752.73
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Solution
The fourth proportional to 698,160.96, 1,047,220.56 and 192,752.73 is: 289,123.33
Step by Step Solution
- Step 1: Write the proportion equation
698,160.96 : 1,047,220.56 = 192,752.73 : x - Step 2: Convert to fraction form
698,160.96/1,047,220.56 = 192,752.73/x - Step 3: Cross multiply
698,160.96x = 1,047,220.56 × 192,752.73 - Step 4: Simplify right side
698,160.96x = 201,854,621,852.13 - Step 5: Solve for x
x = 201,854,621,852.13/698,160.96 - Step 6: Final answer
x = 289,123.33
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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.