Finding the Fourth Proportional to 177,776.84, 245,327.33 and 105,183.48
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Solution
The fourth proportional to 177,776.84, 245,327.33 and 105,183.48 is: 145,150.41
Step by Step Solution
- Step 1: Write the proportion equation
177,776.84 : 245,327.33 = 105,183.48 : x - Step 2: Convert to fraction form
177,776.84/245,327.33 = 105,183.48/x - Step 3: Cross multiply
177,776.84x = 245,327.33 × 105,183.48 - Step 4: Simplify right side
177,776.84x = 25,804,382,111.48 - Step 5: Solve for x
x = 25,804,382,111.48/177,776.84 - Step 6: Final answer
x = 145,150.41
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.