Finding the Fourth Proportional to 456,306.77, 684,407.87 and 119,379.94
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Solution
The fourth proportional to 456,306.77, 684,407.87 and 119,379.94 is: 179,056.23
Step by Step Solution
- Step 1: Write the proportion equation
456,306.77 : 684,407.87 = 119,379.94 : x - Step 2: Convert to fraction form
456,306.77/684,407.87 = 119,379.94/x - Step 3: Cross multiply
456,306.77x = 684,407.87 × 119,379.94 - Step 4: Simplify right side
456,306.77x = 81,704,570,456.13 - Step 5: Solve for x
x = 81,704,570,456.13/456,306.77 - Step 6: Final answer
x = 179,056.23
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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.