Finding the Fourth Proportional to 433,288.68, 649,656.05 and 208,201.20
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Solution
The fourth proportional to 433,288.68, 649,656.05 and 208,201.20 is: 312,168.71
Step by Step Solution
- Step 1: Write the proportion equation
433,288.68 : 649,656.05 = 208,201.20 : x - Step 2: Convert to fraction form
433,288.68/649,656.05 = 208,201.20/x - Step 3: Cross multiply
433,288.68x = 649,656.05 × 208,201.20 - Step 4: Simplify right side
433,288.68x = 135,259,168,156.25 - Step 5: Solve for x
x = 135,259,168,156.25/433,288.68 - Step 6: Final answer
x = 312,168.71
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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.