Finding the Fourth Proportional to 417,126.60, 625,689.89 and 192,420.55
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Solution
The fourth proportional to 417,126.60, 625,689.89 and 192,420.55 is: 288,630.82
Step by Step Solution
- Step 1: Write the proportion equation
417,126.60 : 625,689.89 = 192,420.55 : x - Step 2: Convert to fraction form
417,126.60/625,689.89 = 192,420.55/x - Step 3: Cross multiply
417,126.60x = 625,689.89 × 192,420.55 - Step 4: Simplify right side
417,126.60x = 120,395,592,763.24 - Step 5: Solve for x
x = 120,395,592,763.24/417,126.60 - Step 6: Final answer
x = 288,630.82
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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.