Finding the Fourth Proportional to 415,266.10, 623,590.35 and 228,411.70
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Solution
The fourth proportional to 415,266.10, 623,590.35 and 228,411.70 is: 342,997.74
Step by Step Solution
- Step 1: Write the proportion equation
415,266.10 : 623,590.35 = 228,411.70 : x - Step 2: Convert to fraction form
415,266.10/623,590.35 = 228,411.70/x - Step 3: Cross multiply
415,266.10x = 623,590.35 × 228,411.70 - Step 4: Simplify right side
415,266.10x = 142,435,331,947.10 - Step 5: Solve for x
x = 142,435,331,947.10/415,266.10 - Step 6: Final answer
x = 342,997.74
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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.