Finding the Fourth Proportional to 912,607.13, 1,368,806.12 and 238,753.49
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Solution
The fourth proportional to 912,607.13, 1,368,806.12 and 238,753.49 is: 358,102.87
Step by Step Solution
- Step 1: Write the proportion equation
912,607.13 : 1,368,806.12 = 238,753.49 : x - Step 2: Convert to fraction form
912,607.13/1,368,806.12 = 238,753.49/x - Step 3: Cross multiply
912,607.13x = 1,368,806.12 × 238,753.49 - Step 4: Simplify right side
912,607.13x = 326,807,230,245.56 - Step 5: Solve for x
x = 326,807,230,245.56/912,607.13 - Step 6: Final answer
x = 358,102.87
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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.