Finding the Fourth Proportional to 634,998.88, 951,835.92 and 214,130.08
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Solution
The fourth proportional to 634,998.88, 951,835.92 and 214,130.08 is: 320,971.75
Step by Step Solution
- Step 1: Write the proportion equation
634,998.88 : 951,835.92 = 214,130.08 : x - Step 2: Convert to fraction form
634,998.88/951,835.92 = 214,130.08/x - Step 3: Cross multiply
634,998.88x = 951,835.92 × 214,130.08 - Step 4: Simplify right side
634,998.88x = 203,816,701,696.47 - Step 5: Solve for x
x = 203,816,701,696.47/634,998.88 - Step 6: Final answer
x = 320,971.75
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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.