Finding the Fourth Proportional to 493,281.72, 739,922.94 and 119,305.08
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Solution
The fourth proportional to 493,281.72, 739,922.94 and 119,305.08 is: 178,957.71
Step by Step Solution
- Step 1: Write the proportion equation
493,281.72 : 739,922.94 = 119,305.08 : x - Step 2: Convert to fraction form
493,281.72/739,922.94 = 119,305.08/x - Step 3: Cross multiply
493,281.72x = 739,922.94 × 119,305.08 - Step 4: Simplify right side
493,281.72x = 88,276,565,550.54 - Step 5: Solve for x
x = 88,276,565,550.54/493,281.72 - Step 6: Final answer
x = 178,957.71
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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.