Finding the Fourth Proportional to 370,521.90, 555,767.37 and 157,231.26
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Solution
The fourth proportional to 370,521.90, 555,767.37 and 157,231.26 is: 235,840.32
Step by Step Solution
- Step 1: Write the proportion equation
370,521.90 : 555,767.37 = 157,231.26 : x - Step 2: Convert to fraction form
370,521.90/555,767.37 = 157,231.26/x - Step 3: Cross multiply
370,521.90x = 555,767.37 × 157,231.26 - Step 4: Simplify right side
370,521.90x = 87,384,003,851.99 - Step 5: Solve for x
x = 87,384,003,851.99/370,521.90 - Step 6: Final answer
x = 235,840.32
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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.