Finding the Fourth Proportional to 279,029.34, 385,064.28 and 151,704.63
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Solution
The fourth proportional to 279,029.34, 385,064.28 and 151,704.63 is: 209,354.45
Step by Step Solution
- Step 1: Write the proportion equation
279,029.34 : 385,064.28 = 151,704.63 : x - Step 2: Convert to fraction form
279,029.34/385,064.28 = 151,704.63/x - Step 3: Cross multiply
279,029.34x = 385,064.28 × 151,704.63 - Step 4: Simplify right side
279,029.34x = 58,416,034,123.62 - Step 5: Solve for x
x = 58,416,034,123.62/279,029.34 - Step 6: Final answer
x = 209,354.45
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.