Finding the Fourth Proportional to 221,038.56, 305,023.68 and 125,544.96
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Solution
The fourth proportional to 221,038.56, 305,023.68 and 125,544.96 is: 173,246.63
Step by Step Solution
- Step 1: Write the proportion equation
221,038.56 : 305,023.68 = 125,544.96 : x - Step 2: Convert to fraction form
221,038.56/305,023.68 = 125,544.96/x - Step 3: Cross multiply
221,038.56x = 305,023.68 × 125,544.96 - Step 4: Simplify right side
221,038.56x = 38,294,185,704.65 - Step 5: Solve for x
x = 38,294,185,704.65/221,038.56 - Step 6: Final answer
x = 173,246.63
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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.