Finding the Fourth Proportional to 427,590.92, 641,607.60 and 310,230.92
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Solution
The fourth proportional to 427,590.92, 641,607.60 and 310,230.92 is: 465,506.88
Step by Step Solution
- Step 1: Write the proportion equation
427,590.92 : 641,607.60 = 310,230.92 : x - Step 2: Convert to fraction form
427,590.92/641,607.60 = 310,230.92/x - Step 3: Cross multiply
427,590.92x = 641,607.60 × 310,230.92 - Step 4: Simplify right side
427,590.92x = 199,046,516,026.99 - Step 5: Solve for x
x = 199,046,516,026.99/427,590.92 - Step 6: Final answer
x = 465,506.88
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1.5x scale
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.