Finding the Fourth Proportional to 460,818.02, 691,226.49 and 128,394.02
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Solution
The fourth proportional to 460,818.02, 691,226.49 and 128,394.02 is: 192,590.88
Step by Step Solution
- Step 1: Write the proportion equation
460,818.02 : 691,226.49 = 128,394.02 : x - Step 2: Convert to fraction form
460,818.02/691,226.49 = 128,394.02/x - Step 3: Cross multiply
460,818.02x = 691,226.49 × 128,394.02 - Step 4: Simplify right side
460,818.02x = 88,749,347,781.59 - Step 5: Solve for x
x = 88,749,347,781.59/460,818.02 - Step 6: Final answer
x = 192,590.88
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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.