Finding the Fourth Proportional to 280,289.70, 420,565.77 and 122,497.65
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Solution
The fourth proportional to 280,289.70, 420,565.77 and 122,497.65 is: 183,803.82
Step by Step Solution
- Step 1: Write the proportion equation
280,289.70 : 420,565.77 = 122,497.65 : x - Step 2: Convert to fraction form
280,289.70/420,565.77 = 122,497.65/x - Step 3: Cross multiply
280,289.70x = 420,565.77 × 122,497.65 - Step 4: Simplify right side
280,289.70x = 51,518,318,495.44 - Step 5: Solve for x
x = 51,518,318,495.44/280,289.70 - Step 6: Final answer
x = 183,803.82
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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.