Finding the Fourth Proportional to 663,748.43, 995,659.70 and 190,420.88
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Solution
The fourth proportional to 663,748.43, 995,659.70 and 190,420.88 is: 285,641.94
Step by Step Solution
- Step 1: Write the proportion equation
663,748.43 : 995,659.70 = 190,420.88 : x - Step 2: Convert to fraction form
663,748.43/995,659.70 = 190,420.88/x - Step 3: Cross multiply
663,748.43x = 995,659.70 × 190,420.88 - Step 4: Simplify right side
663,748.43x = 189,594,390,324.13 - Step 5: Solve for x
x = 189,594,390,324.13/663,748.43 - Step 6: Final answer
x = 285,641.94
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.