Finding the Fourth Proportional to 918,857.14, 1,378,351.35 and 244,934.91
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Solution
The fourth proportional to 918,857.14, 1,378,351.35 and 244,934.91 is: 367,419.86
Step by Step Solution
- Step 1: Write the proportion equation
918,857.14 : 1,378,351.35 = 244,934.91 : x - Step 2: Convert to fraction form
918,857.14/1,378,351.35 = 244,934.91/x - Step 3: Cross multiply
918,857.14x = 1,378,351.35 × 244,934.91 - Step 4: Simplify right side
918,857.14x = 337,606,363,860.63 - Step 5: Solve for x
x = 337,606,363,860.63/918,857.14 - Step 6: Final answer
x = 367,419.86
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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.