Finding the Fourth Proportional to 415,622.71, 623,460.35 and 175,691.90
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Solution
The fourth proportional to 415,622.71, 623,460.35 and 175,691.90 is: 263,548.95
Step by Step Solution
- Step 1: Write the proportion equation
415,622.71 : 623,460.35 = 175,691.90 : x - Step 2: Convert to fraction form
415,622.71/623,460.35 = 175,691.90/x - Step 3: Cross multiply
415,622.71x = 623,460.35 × 175,691.90 - Step 4: Simplify right side
415,622.71x = 109,536,930,274.38 - Step 5: Solve for x
x = 109,536,930,274.38/415,622.71 - Step 6: Final answer
x = 263,548.95
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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.