Finding the Fourth Proportional to 385,752.24, 578,720.70 and 160,987.50
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Solution
The fourth proportional to 385,752.24, 578,720.70 and 160,987.50 is: 241,519.79
Step by Step Solution
- Step 1: Write the proportion equation
385,752.24 : 578,720.70 = 160,987.50 : x - Step 2: Convert to fraction form
385,752.24/578,720.70 = 160,987.50/x - Step 3: Cross multiply
385,752.24x = 578,720.70 × 160,987.50 - Step 4: Simplify right side
385,752.24x = 93,166,798,691.25 - Step 5: Solve for x
x = 93,166,798,691.25/385,752.24 - Step 6: Final answer
x = 241,519.79
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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.