Finding the Fourth Proportional to 153,130.99, 229,678.26 and 40,819.63
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Solution
The fourth proportional to 153,130.99, 229,678.26 and 40,819.63 is: 61,224.59
Step by Step Solution
- Step 1: Write the proportion equation
153,130.99 : 229,678.26 = 40,819.63 : x - Step 2: Convert to fraction form
153,130.99/229,678.26 = 40,819.63/x - Step 3: Cross multiply
153,130.99x = 229,678.26 × 40,819.63 - Step 4: Simplify right side
153,130.99x = 9,375,381,592.24 - Step 5: Solve for x
x = 9,375,381,592.24/153,130.99 - Step 6: Final answer
x = 61,224.59
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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.