Finding the Fourth Proportional to 121,878.93, 182,795.99 and 55,303.05
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Solution
The fourth proportional to 121,878.93, 182,795.99 and 55,303.05 is: 82,944.41
Step by Step Solution
- Step 1: Write the proportion equation
121,878.93 : 182,795.99 = 55,303.05 : x - Step 2: Convert to fraction form
121,878.93/182,795.99 = 55,303.05/x - Step 3: Cross multiply
121,878.93x = 182,795.99 × 55,303.05 - Step 4: Simplify right side
121,878.93x = 10,109,175,498.25 - Step 5: Solve for x
x = 10,109,175,498.25/121,878.93 - Step 6: Final answer
x = 82,944.41
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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.