Finding the Fourth Proportional to 239,149.24, 358,774.46 and 79,216.13
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Solution
The fourth proportional to 239,149.24, 358,774.46 and 79,216.13 is: 118,840.95
Step by Step Solution
- Step 1: Write the proportion equation
239,149.24 : 358,774.46 = 79,216.13 : x - Step 2: Convert to fraction form
239,149.24/358,774.46 = 79,216.13/x - Step 3: Cross multiply
239,149.24x = 358,774.46 × 79,216.13 - Step 4: Simplify right side
239,149.24x = 28,420,722,668.21 - Step 5: Solve for x
x = 28,420,722,668.21/239,149.24 - Step 6: Final answer
x = 118,840.95
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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.