Finding the Fourth Proportional to 221,427.18, 332,159.43 and 69,659.10
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Solution
The fourth proportional to 221,427.18, 332,159.43 and 69,659.10 is: 104,494.52
Step by Step Solution
- Step 1: Write the proportion equation
221,427.18 : 332,159.43 = 69,659.10 : x - Step 2: Convert to fraction form
221,427.18/332,159.43 = 69,659.10/x - Step 3: Cross multiply
221,427.18x = 332,159.43 × 69,659.10 - Step 4: Simplify right side
221,427.18x = 23,137,926,950.31 - Step 5: Solve for x
x = 23,137,926,950.31/221,427.18 - Step 6: Final answer
x = 104,494.52
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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.