Finding the Fourth Proportional to 559,936.92, 839,908.57 and 139,212.80
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Solution
The fourth proportional to 559,936.92, 839,908.57 and 139,212.80 is: 208,819.99
Step by Step Solution
- Step 1: Write the proportion equation
559,936.92 : 839,908.57 = 139,212.80 : x - Step 2: Convert to fraction form
559,936.92/839,908.57 = 139,212.80/x - Step 3: Cross multiply
559,936.92x = 839,908.57 × 139,212.80 - Step 4: Simplify right side
559,936.92x = 116,926,022,897.83 - Step 5: Solve for x
x = 116,926,022,897.83/559,936.92 - Step 6: Final answer
x = 208,819.99
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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.