Finding the Fourth Proportional to 146,122.58, 219,182.36 and 46,282.74
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Solution
The fourth proportional to 146,122.58, 219,182.36 and 46,282.74 is: 69,423.63
Step by Step Solution
- Step 1: Write the proportion equation
146,122.58 : 219,182.36 = 46,282.74 : x - Step 2: Convert to fraction form
146,122.58/219,182.36 = 46,282.74/x - Step 3: Cross multiply
146,122.58x = 219,182.36 × 46,282.74 - Step 4: Simplify right side
146,122.58x = 10,144,359,949.05 - Step 5: Solve for x
x = 10,144,359,949.05/146,122.58 - Step 6: Final answer
x = 69,423.63
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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.