Finding the Fourth Proportional to 146,644.08, 219,911.40 and 57,868.08
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Solution
The fourth proportional to 146,644.08, 219,911.40 and 57,868.08 is: 86,780.53
Step by Step Solution
- Step 1: Write the proportion equation
146,644.08 : 219,911.40 = 57,868.08 : x - Step 2: Convert to fraction form
146,644.08/219,911.40 = 57,868.08/x - Step 3: Cross multiply
146,644.08x = 219,911.40 × 57,868.08 - Step 4: Simplify right side
146,644.08x = 12,725,850,488.11 - Step 5: Solve for x
x = 12,725,850,488.11/146,644.08 - Step 6: Final answer
x = 86,780.53
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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.