Finding the Fourth Proportional to 634,156.48, 951,381.12 and 213,422.08
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Solution
The fourth proportional to 634,156.48, 951,381.12 and 213,422.08 is: 320,182.39
Step by Step Solution
- Step 1: Write the proportion equation
634,156.48 : 951,381.12 = 213,422.08 : x - Step 2: Convert to fraction form
634,156.48/951,381.12 = 213,422.08/x - Step 3: Cross multiply
634,156.48x = 951,381.12 × 213,422.08 - Step 4: Simplify right side
634,156.48x = 203,045,737,503.13 - Step 5: Solve for x
x = 203,045,737,503.13/634,156.48 - Step 6: Final answer
x = 320,182.39
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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.