Finding the Fourth Proportional to 645,193.08, 967,727.05 and 195,917.84
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Solution
The fourth proportional to 645,193.08, 967,727.05 and 195,917.84 is: 293,857.76
Step by Step Solution
- Step 1: Write the proportion equation
645,193.08 : 967,727.05 = 195,917.84 : x - Step 2: Convert to fraction form
645,193.08/967,727.05 = 195,917.84/x - Step 3: Cross multiply
645,193.08x = 967,727.05 × 195,917.84 - Step 4: Simplify right side
645,193.08x = 189,594,991,646.12 - Step 5: Solve for x
x = 189,594,991,646.12/645,193.08 - Step 6: Final answer
x = 293,857.76
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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.