Finding the Fourth Proportional to 221,252.20, 298,923.75 and 221,252.20
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Solution
The fourth proportional to 221,252.20, 298,923.75 and 221,252.20 is: 298,923.75
Step by Step Solution
- Step 1: Write the proportion equation
221,252.20 : 298,923.75 = 221,252.20 : x - Step 2: Convert to fraction form
221,252.20/298,923.75 = 221,252.20/x - Step 3: Cross multiply
221,252.20x = 298,923.75 × 221,252.20 - Step 4: Simplify right side
221,252.20x = 66,137,537,319.75 - Step 5: Solve for x
x = 66,137,537,319.75/221,252.20 - Step 6: Final answer
x = 298,923.75
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Why These Related Problems?
These problems maintain the same ratio (1.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.