Finding the Fourth Proportional to 205,133.44, 306,890.97 and 155,357.32
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Solution
The fourth proportional to 205,133.44, 306,890.97 and 155,357.32 is: 232,423.14
Step by Step Solution
- Step 1: Write the proportion equation
205,133.44 : 306,890.97 = 155,357.32 : x - Step 2: Convert to fraction form
205,133.44/306,890.97 = 155,357.32/x - Step 3: Cross multiply
205,133.44x = 306,890.97 × 155,357.32 - Step 4: Simplify right side
205,133.44x = 47,677,758,631.40 - Step 5: Solve for x
x = 47,677,758,631.40/205,133.44 - Step 6: Final answer
x = 232,423.14
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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.