Finding the Fourth Proportional to 221,119.14, 305,152.65 and 125,642.02
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Solution
The fourth proportional to 221,119.14, 305,152.65 and 125,642.02 is: 173,390.67
Step by Step Solution
- Step 1: Write the proportion equation
221,119.14 : 305,152.65 = 125,642.02 : x - Step 2: Convert to fraction form
221,119.14/305,152.65 = 125,642.02/x - Step 3: Cross multiply
221,119.14x = 305,152.65 × 125,642.02 - Step 4: Simplify right side
221,119.14x = 38,339,995,354.35 - Step 5: Solve for x
x = 38,339,995,354.35/221,119.14 - Step 6: Final answer
x = 173,390.67
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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.