Finding the Fourth Proportional to 645,053.99, 967,584.08 and 195,778.76
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Solution
The fourth proportional to 645,053.99, 967,584.08 and 195,778.76 is: 293,669.07
Step by Step Solution
- Step 1: Write the proportion equation
645,053.99 : 967,584.08 = 195,778.76 : x - Step 2: Convert to fraction form
645,053.99/967,584.08 = 195,778.76/x - Step 3: Cross multiply
645,053.99x = 967,584.08 × 195,778.76 - Step 4: Simplify right side
645,053.99x = 189,432,407,029.67 - Step 5: Solve for x
x = 189,432,407,029.67/645,053.99 - Step 6: Final answer
x = 293,669.07
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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.