Finding the Fourth Proportional to 493,348.70, 740,023.05 and 193,729.70
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Solution
The fourth proportional to 493,348.70, 740,023.05 and 193,729.70 is: 290,594.55
Step by Step Solution
- Step 1: Write the proportion equation
493,348.70 : 740,023.05 = 193,729.70 : x - Step 2: Convert to fraction form
493,348.70/740,023.05 = 193,729.70/x - Step 3: Cross multiply
493,348.70x = 740,023.05 × 193,729.70 - Step 4: Simplify right side
493,348.70x = 143,364,443,469.59 - Step 5: Solve for x
x = 143,364,443,469.59/493,348.70 - Step 6: Final answer
x = 290,594.55
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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.