Finding the Fourth Proportional to 153,212.99, 229,819.58 and 40,893.67
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Solution
The fourth proportional to 153,212.99, 229,819.58 and 40,893.67 is: 61,340.52
Step by Step Solution
- Step 1: Write the proportion equation
153,212.99 : 229,819.58 = 40,893.67 : x - Step 2: Convert to fraction form
153,212.99/229,819.58 = 40,893.67/x - Step 3: Cross multiply
153,212.99x = 229,819.58 × 40,893.67 - Step 4: Simplify right side
153,212.99x = 9,398,164,710.49 - Step 5: Solve for x
x = 9,398,164,710.49/153,212.99 - Step 6: Final answer
x = 61,340.52
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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.