Finding the Fourth Proportional to 487,029.28, 672,114.84 and 272,169.96
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Solution
The fourth proportional to 487,029.28, 672,114.84 and 272,169.96 is: 375,602.61
Step by Step Solution
- Step 1: Write the proportion equation
487,029.28 : 672,114.84 = 272,169.96 : x - Step 2: Convert to fraction form
487,029.28/672,114.84 = 272,169.96/x - Step 3: Cross multiply
487,029.28x = 672,114.84 × 272,169.96 - Step 4: Simplify right side
487,029.28x = 182,929,469,118.21 - Step 5: Solve for x
x = 182,929,469,118.21/487,029.28 - Step 6: Final answer
x = 375,602.61
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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.