Finding the Fourth Proportional to 202,303.55, 279,290.77 and 121,750.88
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Solution
The fourth proportional to 202,303.55, 279,290.77 and 121,750.88 is: 168,083.53
Step by Step Solution
- Step 1: Write the proportion equation
202,303.55 : 279,290.77 = 121,750.88 : x - Step 2: Convert to fraction form
202,303.55/279,290.77 = 121,750.88/x - Step 3: Cross multiply
202,303.55x = 279,290.77 × 121,750.88 - Step 4: Simplify right side
202,303.55x = 34,003,895,322.55 - Step 5: Solve for x
x = 34,003,895,322.55/202,303.55 - Step 6: Final answer
x = 168,083.53
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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.