Finding the Fourth Proportional to 424,512.86, 636,879.92 and 124,983.63
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Solution
The fourth proportional to 424,512.86, 636,879.92 and 124,983.63 is: 187,508.02
Step by Step Solution
- Step 1: Write the proportion equation
424,512.86 : 636,879.92 = 124,983.63 : x - Step 2: Convert to fraction form
424,512.86/636,879.92 = 124,983.63/x - Step 3: Cross multiply
424,512.86x = 636,879.92 × 124,983.63 - Step 4: Simplify right side
424,512.86x = 79,599,563,650.79 - Step 5: Solve for x
x = 79,599,563,650.79/424,512.86 - Step 6: Final answer
x = 187,508.02
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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.