Finding the Fourth Proportional to 385,668.84, 578,443.86 and 105,207.96
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Solution
The fourth proportional to 385,668.84, 578,443.86 and 105,207.96 is: 157,795.74
Step by Step Solution
- Step 1: Write the proportion equation
385,668.84 : 578,443.86 = 105,207.96 : x - Step 2: Convert to fraction form
385,668.84/578,443.86 = 105,207.96/x - Step 3: Cross multiply
385,668.84x = 578,443.86 × 105,207.96 - Step 4: Simplify right side
385,668.84x = 60,856,898,485.13 - Step 5: Solve for x
x = 60,856,898,485.13/385,668.84 - Step 6: Final answer
x = 157,795.74
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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.