Finding the Fourth Proportional to 433,548.52, 649,781.12 and 208,867.08
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Solution
The fourth proportional to 433,548.52, 649,781.12 and 208,867.08 is: 313,039.67
Step by Step Solution
- Step 1: Write the proportion equation
433,548.52 : 649,781.12 = 208,867.08 : x - Step 2: Convert to fraction form
433,548.52/649,781.12 = 208,867.08/x - Step 3: Cross multiply
433,548.52x = 649,781.12 × 208,867.08 - Step 4: Simplify right side
433,548.52x = 135,717,885,173.53 - Step 5: Solve for x
x = 135,717,885,173.53/433,548.52 - Step 6: Final answer
x = 313,039.67
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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.