Finding the Fourth Proportional to 487,295.24, 672,433.29 and 283,331.69
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Solution
The fourth proportional to 487,295.24, 672,433.29 and 283,331.69 is: 390,977.88
Step by Step Solution
- Step 1: Write the proportion equation
487,295.24 : 672,433.29 = 283,331.69 : x - Step 2: Convert to fraction form
487,295.24/672,433.29 = 283,331.69/x - Step 3: Cross multiply
487,295.24x = 672,433.29 × 283,331.69 - Step 4: Simplify right side
487,295.24x = 190,521,660,467.96 - Step 5: Solve for x
x = 190,521,660,467.96/487,295.24 - Step 6: Final answer
x = 390,977.88
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.