Finding the Fourth Proportional to 610,743.93, 916,178.67 and 211,384.05
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Solution
The fourth proportional to 610,743.93, 916,178.67 and 211,384.05 is: 317,097.80
Step by Step Solution
- Step 1: Write the proportion equation
610,743.93 : 916,178.67 = 211,384.05 : x - Step 2: Convert to fraction form
610,743.93/916,178.67 = 211,384.05/x - Step 3: Cross multiply
610,743.93x = 916,178.67 × 211,384.05 - Step 4: Simplify right side
610,743.93x = 193,665,557,788.21 - Step 5: Solve for x
x = 193,665,557,788.21/610,743.93 - Step 6: Final answer
x = 317,097.80
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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.