Finding the Fourth Proportional to 221,303.84, 305,397.86 and 125,810.56
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Solution
The fourth proportional to 221,303.84, 305,397.86 and 125,810.56 is: 173,617.75
Step by Step Solution
- Step 1: Write the proportion equation
221,303.84 : 305,397.86 = 125,810.56 : x - Step 2: Convert to fraction form
221,303.84/305,397.86 = 125,810.56/x - Step 3: Cross multiply
221,303.84x = 305,397.86 × 125,810.56 - Step 4: Simplify right side
221,303.84x = 38,422,275,789.40 - Step 5: Solve for x
x = 38,422,275,789.40/221,303.84 - Step 6: Final answer
x = 173,617.75
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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.