Finding the Fourth Proportional to 221,202.90, 305,246.85 and 125,696.34
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Solution
The fourth proportional to 221,202.90, 305,246.85 and 125,696.34 is: 173,453.48
Step by Step Solution
- Step 1: Write the proportion equation
221,202.90 : 305,246.85 = 125,696.34 : x - Step 2: Convert to fraction form
221,202.90/305,246.85 = 125,696.34/x - Step 3: Cross multiply
221,202.90x = 305,246.85 × 125,696.34 - Step 4: Simplify right side
221,202.90x = 38,368,411,841.53 - Step 5: Solve for x
x = 38,368,411,841.53/221,202.90 - Step 6: Final answer
x = 173,453.48
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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.